diff --git a/content/base/public/nsContentUtils.h b/content/base/public/nsContentUtils.h
index 8726e49d8ff..b403933a4e7 100644
--- a/content/base/public/nsContentUtils.h
+++ b/content/base/public/nsContentUtils.h
@@ -1290,11 +1290,6 @@ public:
   static void TraceWrapper(nsWrapperCache* aCache, TraceCallback aCallback,
                            void *aClosure);
 
-  /**
-   * Convert nsIContent::IME_STATUS_* to nsIWidget::IME_STATUS_*
-   */
-  static PRUint32 GetWidgetStatusFromIMEStatus(PRUint32 aState);
-
   /*
    * Notify when the first XUL menu is opened and when the all XUL menus are
    * closed. At opening, aInstalling should be TRUE, otherwise, it should be
diff --git a/content/base/src/nsContentUtils.cpp b/content/base/src/nsContentUtils.cpp
index fcd5f0fc8f0..2285ab4c84a 100644
--- a/content/base/src/nsContentUtils.cpp
+++ b/content/base/src/nsContentUtils.cpp
@@ -4027,25 +4027,6 @@ nsContentUtils::DropJSObjects(void* aScriptObjectHolder)
   return rv;
 }
 
-/* static */
-PRUint32
-nsContentUtils::GetWidgetStatusFromIMEStatus(PRUint32 aState)
-{
-  switch (aState & nsIContent::IME_STATUS_MASK_ENABLED) {
-    case nsIContent::IME_STATUS_DISABLE:
-      return InputContext::IME_DISABLED;
-    case nsIContent::IME_STATUS_ENABLE:
-      return InputContext::IME_ENABLED;
-    case nsIContent::IME_STATUS_PASSWORD:
-      return InputContext::IME_PASSWORD;
-    case nsIContent::IME_STATUS_PLUGIN:
-      return InputContext::IME_PLUGIN;
-    default:
-      NS_ERROR("The given state doesn't have valid enable state");
-      return InputContext::IME_ENABLED;
-  }
-}
-
 /* static */
 void
 nsContentUtils::NotifyInstalledMenuKeyboardListener(bool aInstalling)
diff --git a/content/events/src/nsIMEStateManager.cpp b/content/events/src/nsIMEStateManager.cpp
index 65cf97f22bb..746ac0e5449 100644
--- a/content/events/src/nsIMEStateManager.cpp
+++ b/content/events/src/nsIMEStateManager.cpp
@@ -69,6 +69,26 @@
 
 using namespace mozilla::widget;
 
+static
+/* static */
+IMEState::Enabled
+GetWidgetStatusFromIMEStatus(PRUint32 aState)
+{
+  switch (aState & nsIContent::IME_STATUS_MASK_ENABLED) {
+    case nsIContent::IME_STATUS_DISABLE:
+      return IMEState::DISABLED;
+    case nsIContent::IME_STATUS_ENABLE:
+      return IMEState::ENABLED;
+    case nsIContent::IME_STATUS_PASSWORD:
+      return IMEState::PASSWORD;
+    case nsIContent::IME_STATUS_PLUGIN:
+      return IMEState::PLUGIN;
+    default:
+      NS_ERROR("The given state doesn't have valid enable state");
+      return IMEState::ENABLED;
+  }
+}
+
 /******************************************************************/
 /* nsIMEStateManager                                              */
 /******************************************************************/
@@ -181,8 +201,8 @@ nsIMEStateManager::OnChangeFocusInternal(nsPresContext* aPresContext,
       return NS_OK;
     }
     InputContext context = widget->GetInputContext();
-    if (context.mIMEEnabled ==
-        nsContentUtils::GetWidgetStatusFromIMEStatus(newEnabledState)) {
+    if (context.mIMEState.mEnabled ==
+          GetWidgetStatusFromIMEStatus(newEnabledState)) {
       // the enabled state isn't changing.
       return NS_OK;
     }
@@ -245,8 +265,8 @@ nsIMEStateManager::UpdateIMEState(PRUint32 aNewIMEState, nsIContent* aContent)
   // Don't update IME state when enabled state isn't actually changed.
   InputContext context = widget->GetInputContext();
   PRUint32 newEnabledState = aNewIMEState & nsIContent::IME_STATUS_MASK_ENABLED;
-  if (context.mIMEEnabled ==
-        nsContentUtils::GetWidgetStatusFromIMEStatus(newEnabledState)) {
+  if (context.mIMEState.mEnabled ==
+        GetWidgetStatusFromIMEStatus(newEnabledState)) {
     return;
   }
 
@@ -311,61 +331,60 @@ nsIMEStateManager::SetIMEState(PRUint32 aState,
                                nsIWidget* aWidget,
                                InputContextAction aAction)
 {
-  if (aState & nsIContent::IME_STATUS_MASK_ENABLED) {
-    if (!aWidget)
-      return;
+  NS_ENSURE_TRUE(aWidget, );
 
-    PRUint32 state = nsContentUtils::GetWidgetStatusFromIMEStatus(aState);
-    InputContext context;
-    context.mIMEEnabled = state;
+  InputContext context;
+  context.mIMEState.mEnabled = GetWidgetStatusFromIMEStatus(aState);
 
-    if (aContent && aContent->GetNameSpaceID() == kNameSpaceID_XHTML &&
-        (aContent->Tag() == nsGkAtoms::input ||
-         aContent->Tag() == nsGkAtoms::textarea)) {
-      aContent->GetAttr(kNameSpaceID_None, nsGkAtoms::type,
-                        context.mHTMLInputType);
-      aContent->GetAttr(kNameSpaceID_None, nsGkAtoms::moz_action_hint,
-                        context.mActionHint);
+  if (aContent && aContent->GetNameSpaceID() == kNameSpaceID_XHTML &&
+      (aContent->Tag() == nsGkAtoms::input ||
+       aContent->Tag() == nsGkAtoms::textarea)) {
+    aContent->GetAttr(kNameSpaceID_None, nsGkAtoms::type,
+                      context.mHTMLInputType);
+    aContent->GetAttr(kNameSpaceID_None, nsGkAtoms::moz_action_hint,
+                      context.mActionHint);
 
-      // if we don't have an action hint and  return won't submit the form use "next"
-      if (context.mActionHint.IsEmpty() && aContent->Tag() == nsGkAtoms::input) {
-        bool willSubmit = false;
-        nsCOMPtr<nsIFormControl> control(do_QueryInterface(aContent));
-        mozilla::dom::Element* formElement = control->GetFormElement();
-        nsCOMPtr<nsIForm> form;
-        if (control) {
-          // is this a form and does it have a default submit element?
-          if ((form = do_QueryInterface(formElement)) && form->GetDefaultSubmitElement()) {
-            willSubmit = true;
-          // is this an html form and does it only have a single text input element?
-          } else if (formElement && formElement->Tag() == nsGkAtoms::form && formElement->IsHTML() &&
-                     static_cast<nsHTMLFormElement*>(formElement)->HasSingleTextControl()) {
-            willSubmit = true;
-          }
+    // if we don't have an action hint and  return won't submit the form use "next"
+    if (context.mActionHint.IsEmpty() && aContent->Tag() == nsGkAtoms::input) {
+      bool willSubmit = false;
+      nsCOMPtr<nsIFormControl> control(do_QueryInterface(aContent));
+      mozilla::dom::Element* formElement = control->GetFormElement();
+      nsCOMPtr<nsIForm> form;
+      if (control) {
+        // is this a form and does it have a default submit element?
+        if ((form = do_QueryInterface(formElement)) && form->GetDefaultSubmitElement()) {
+          willSubmit = true;
+        // is this an html form and does it only have a single text input element?
+        } else if (formElement && formElement->Tag() == nsGkAtoms::form && formElement->IsHTML() &&
+                   static_cast<nsHTMLFormElement*>(formElement)->HasSingleTextControl()) {
+          willSubmit = true;
         }
-        context.mActionHint.Assign(willSubmit ? control->GetType() == NS_FORM_INPUT_SEARCH
-                                                  ? NS_LITERAL_STRING("search")
-                                                  : NS_LITERAL_STRING("go")
-                                              : formElement
-                                                  ? NS_LITERAL_STRING("next")
-                                                  : EmptyString());
       }
+      context.mActionHint.Assign(willSubmit ? control->GetType() == NS_FORM_INPUT_SEARCH
+                                                ? NS_LITERAL_STRING("search")
+                                                : NS_LITERAL_STRING("go")
+                                            : formElement
+                                                ? NS_LITERAL_STRING("next")
+                                                : EmptyString());
     }
-
-    // XXX I think that we should use nsContentUtils::IsCallerChrome() instead
-    //     of the process type.
-    if (aAction.mCause == InputContextAction::CAUSE_UNKNOWN &&
-        XRE_GetProcessType() != GeckoProcessType_Content) {
-      aAction.mCause = InputContextAction::CAUSE_UNKNOWN_CHROME;
-    }
-
-    aWidget->SetInputContext(context, aAction);
-
-    nsContentUtils::AddScriptRunner(new IMEEnabledStateChangedEvent(state));
   }
+
+  // XXX I think that we should use nsContentUtils::IsCallerChrome() instead
+  //     of the process type.
+  if (aAction.mCause == InputContextAction::CAUSE_UNKNOWN &&
+      XRE_GetProcessType() != GeckoProcessType_Content) {
+    aAction.mCause = InputContextAction::CAUSE_UNKNOWN_CHROME;
+  }
+
   if (aState & nsIContent::IME_STATUS_MASK_OPENED) {
     bool open = !!(aState & nsIContent::IME_STATUS_OPEN);
-    aWidget->SetIMEOpenState(open);
+    context.mIMEState.mOpen = open ? IMEState::OPEN : IMEState::CLOSED;
+  }
+
+  aWidget->SetInputContext(context, aAction);
+  if (aState & nsIContent::IME_STATUS_MASK_ENABLED) {
+    nsContentUtils::AddScriptRunner(
+      new IMEEnabledStateChangedEvent(context.mIMEState.mEnabled));
   }
 }
 
diff --git a/content/events/src/nsIMEStateManager.h b/content/events/src/nsIMEStateManager.h
index c3d5cf03ca7..71627d7359a 100644
--- a/content/events/src/nsIMEStateManager.h
+++ b/content/events/src/nsIMEStateManager.h
@@ -55,6 +55,7 @@ class nsISelection;
 class nsIMEStateManager
 {
 protected:
+  typedef mozilla::widget::IMEState IMEState;
   typedef mozilla::widget::InputContext InputContext;
   typedef mozilla::widget::InputContextAction InputContextAction;
 
diff --git a/dom/base/nsDOMWindowUtils.cpp b/dom/base/nsDOMWindowUtils.cpp
index 1c4f4402448..3d4a38f9d86 100644
--- a/dom/base/nsDOMWindowUtils.cpp
+++ b/dom/base/nsDOMWindowUtils.cpp
@@ -1041,11 +1041,15 @@ nsDOMWindowUtils::GetIMEIsOpen(bool *aState)
 
   // Open state should not be available when IME is not enabled.
   InputContext context = widget->GetInputContext();
-  if (context.mIMEEnabled != InputContext::IME_ENABLED) {
+  if (context.mIMEState.mEnabled != IMEState::ENABLED) {
     return NS_ERROR_NOT_AVAILABLE;
   }
 
-  return widget->GetIMEOpenState(aState);
+  if (context.mIMEState.mOpen == IMEState::OPEN_STATE_NOT_SUPPORTED) {
+    return NS_ERROR_NOT_IMPLEMENTED;
+  }
+  *aState = (context.mIMEState.mOpen == IMEState::OPEN);
+  return NS_OK;
 }
 
 NS_IMETHODIMP
@@ -1058,7 +1062,7 @@ nsDOMWindowUtils::GetIMEStatus(PRUint32 *aState)
     return NS_ERROR_FAILURE;
 
   InputContext context = widget->GetInputContext();
-  *aState = context.mIMEEnabled;
+  *aState = static_cast<PRUint32>(context.mIMEState.mEnabled);
   return NS_OK;
 }
 
diff --git a/dom/ipc/PBrowser.ipdl b/dom/ipc/PBrowser.ipdl
index e6da4fbcda3..4074fd16aba 100644
--- a/dom/ipc/PBrowser.ipdl
+++ b/dom/ipc/PBrowser.ipdl
@@ -172,18 +172,15 @@ parent:
      */
     sync EndIMEComposition(bool cancel) returns (nsString composition);
 
-    sync GetInputContext() returns (PRUint32 value);
+    sync GetInputContext() returns (PRInt32 IMEEnabled, PRInt32 IMEOpen);
 
-    SetInputContext(PRUint32 value,
+    SetInputContext(PRInt32 IMEEnabled,
+                    PRInt32 IMEOpen,
                     nsString type,
                     nsString actionHint,
                     PRInt32 cause,
                     PRInt32 focusChange);
 
-    sync GetIMEOpenState() returns (bool value);
-
-    SetIMEOpenState(bool value);
-
     /**
      * Gets the DPI of the screen corresponding to this browser.
      */
diff --git a/dom/ipc/TabParent.cpp b/dom/ipc/TabParent.cpp
index fe200f630c7..73dec07f6f7 100644
--- a/dom/ipc/TabParent.cpp
+++ b/dom/ipc/TabParent.cpp
@@ -564,35 +564,42 @@ TabParent::RecvEndIMEComposition(const bool& aCancel,
 }
 
 bool
-TabParent::RecvGetInputContext(PRUint32* aValue)
+TabParent::RecvGetInputContext(PRInt32* aIMEEnabled,
+                               PRInt32* aIMEOpen)
 {
   nsCOMPtr<nsIWidget> widget = GetWidget();
   if (!widget) {
-    *aValue = InputContext::IME_DISABLED;
+    *aIMEEnabled = IMEState::DISABLED;
+    *aIMEOpen = IMEState::OPEN_STATE_NOT_SUPPORTED;
     return true;
   }
 
   InputContext context = widget->GetInputContext();
-  *aValue = context.mIMEEnabled;
+  *aIMEEnabled = static_cast<PRInt32>(context.mIMEState.mEnabled);
+  *aIMEOpen = static_cast<PRInt32>(context.mIMEState.mOpen);
   return true;
 }
 
 bool
-TabParent::RecvSetInputContext(const PRUint32& aValue,
+TabParent::RecvSetInputContext(const PRInt32& aIMEEnabled,
+                               const PRInt32& aIMEOpen,
                                const nsString& aType,
                                const nsString& aActionHint,
                                const PRInt32& aCause,
                                const PRInt32& aFocusChange)
 {
   // mIMETabParent (which is actually static) tracks which if any TabParent has IMEFocus
-  // When the input mode is set to anything but IME_STATUS_NONE, mIMETabParent should be set to this
-  mIMETabParent = aValue & nsIContent::IME_STATUS_MASK_ENABLED ? this : nsnull;
+  // When the input mode is set to anything but IMEState::DISABLED,
+  // mIMETabParent should be set to this
+  mIMETabParent =
+    aIMEEnabled != static_cast<PRInt32>(IMEState::DISABLED) ? this : nsnull;
   nsCOMPtr<nsIWidget> widget = GetWidget();
   if (!widget || !AllowContentIME())
     return true;
 
   InputContext context;
-  context.mIMEEnabled = aValue;
+  context.mIMEState.mEnabled = static_cast<IMEState::Enabled>(aIMEEnabled);
+  context.mIMEState.mOpen = static_cast<IMEState::Open>(aIMEOpen);
   context.mHTMLInputType.Assign(aType);
   context.mActionHint.Assign(aActionHint);
   InputContextAction action(
@@ -605,30 +612,12 @@ TabParent::RecvSetInputContext(const PRUint32& aValue,
     return true;
 
   nsAutoString state;
-  state.AppendInt(aValue);
+  state.AppendInt(aIMEEnabled);
   observerService->NotifyObservers(nsnull, "ime-enabled-state-changed", state.get());
 
   return true;
 }
 
-bool
-TabParent::RecvGetIMEOpenState(bool* aValue)
-{
-  nsCOMPtr<nsIWidget> widget = GetWidget();
-  if (widget)
-    widget->GetIMEOpenState(aValue);
-  return true;
-}
-
-bool
-TabParent::RecvSetIMEOpenState(const bool& aValue)
-{
-  nsCOMPtr<nsIWidget> widget = GetWidget();
-  if (widget && AllowContentIME())
-    widget->SetIMEOpenState(aValue);
-  return true;
-}
-
 bool
 TabParent::RecvGetDPI(float* aValue)
 {
diff --git a/dom/ipc/TabParent.h b/dom/ipc/TabParent.h
index 32ab053ba06..6776bfdd67e 100644
--- a/dom/ipc/TabParent.h
+++ b/dom/ipc/TabParent.h
@@ -103,14 +103,14 @@ public:
     virtual bool RecvNotifyIMETextHint(const nsString& aText);
     virtual bool RecvEndIMEComposition(const bool& aCancel,
                                        nsString* aComposition);
-    virtual bool RecvGetInputContext(PRUint32* aValue);
-    virtual bool RecvSetInputContext(const PRUint32& aValue,
+    virtual bool RecvGetInputContext(PRInt32* aIMEEnabled,
+                                     PRInt32* aIMEOpen);
+    virtual bool RecvSetInputContext(const PRInt32& aIMEEnabled,
+                                     const PRInt32& aIMEOpen,
                                      const nsString& aType,
                                      const nsString& aActionHint,
                                      const PRInt32& aCause,
                                      const PRInt32& aFocusChange);
-    virtual bool RecvGetIMEOpenState(bool* aValue);
-    virtual bool RecvSetIMEOpenState(const bool& aValue);
     virtual bool RecvSetCursor(const PRUint32& aValue);
     virtual bool RecvSetBackgroundColor(const nscolor& aValue);
     virtual bool RecvGetDPI(float* aValue);
diff --git a/widget/public/nsIWidget.h b/widget/public/nsIWidget.h
index 8f55ee00c4b..f8b89cf449d 100644
--- a/widget/public/nsIWidget.h
+++ b/widget/public/nsIWidget.h
@@ -118,9 +118,8 @@ typedef nsEventStatus (* EVENT_CALLBACK)(nsGUIEvent *event);
 #endif
 
 #define NS_IWIDGET_IID \
-  { 0xb4fa00ae, 0x913c, 0x42b1, \
-    { 0x93, 0xc8, 0x41, 0x57, 0x1e, 0x3d, 0x94, 0x99 } }
-
+  { 0x34460b01, 0x3dc2, 0x4b58, \
+    { 0x8e, 0xd3, 0x7e, 0x7c, 0x33, 0xb5, 0x78, 0x8b } }
 /*
  * Window shadow styles
  * Also used for the -moz-window-shadow CSS property
@@ -235,9 +234,9 @@ struct nsIMEUpdatePreference {
 namespace mozilla {
 namespace widget {
 
-struct InputContext {
+struct IMEState {
   /**
-   * IME enabled states, the mIMEEnabled value of
+   * IME enabled states, the mEnabled value of
    * SetInputContext()/GetInputContext() should be one value of following
    * values.
    *
@@ -245,45 +244,77 @@ struct InputContext {
    *   nsIDOMWindowUtils.idl
    *   nsContentUtils::GetWidgetStatusFromIMEStatus
    */
-  enum {
+  enum Enabled {
     /**
      * 'Disabled' means the user cannot use IME. So, the IME open state should
      * be 'closed' during 'disabled'.
      */
-    IME_DISABLED = 0,
+    DISABLED,
     /**
      * 'Enabled' means the user can use IME.
      */
-    IME_ENABLED = 1,
+    ENABLED,
     /**
      * 'Password' state is a special case for the password editors.
      * E.g., on mac, the password editors should disable the non-Roman
      * keyboard layouts at getting focus. Thus, the password editor may have
      * special rules on some platforms.
      */
-    IME_PASSWORD = 2,
+    PASSWORD,
     /**
      * This state is used when a plugin is focused.
      * When a plug-in is focused content, we should send native events
      * directly. Because we don't process some native events, but they may
      * be needed by the plug-in.
      */
-    IME_PLUGIN = 3,
-    /**
-     * IME enabled state mask.
-     */
-    IME_ENABLED_STATE_MASK = 0xF
+    PLUGIN
   };
+  Enabled mEnabled;
 
-  PRUint32 mIMEEnabled;
+  /**
+   * IME open states the mOpen value of SetInputContext() should be one value of
+   * OPEN, CLOSE or DONT_CHANGE_OPEN_STATE.  GetInputContext() should return
+   * OPEN, CLOSE or OPEN_STATE_NOT_SUPPORTED.
+   */
+  enum Open {
+    /**
+     * 'Unsupported' means the platform cannot return actual IME open state.
+     * This value is used only by GetInputContext().
+     */
+    OPEN_STATE_NOT_SUPPORTED,
+    /**
+     * 'Don't change' means the widget shouldn't change IME open state when
+     * SetInputContext() is called.
+     */
+    DONT_CHANGE_OPEN_STATE = OPEN_STATE_NOT_SUPPORTED,
+    /**
+     * 'Open' means that IME should compose in its primary language (or latest
+     * input mode except direct ASCII character input mode).  Even if IME is
+     * opened by this value, users should be able to close IME by theirselves.
+     * Web contents can specify this value by |ime-mode: active;|.
+     */
+    OPEN,
+    /**
+     * 'Closed' means that IME shouldn't handle key events (or should handle
+     * as ASCII character inputs on mobile device).  Even if IME is closed by
+     * this value, users should be able to open IME by theirselves.
+     * Web contents can specify this value by |ime-mode: inactive;|.
+     */
+    CLOSED
+  };
+  Open mOpen;
+
+  IMEState() : mEnabled(ENABLED), mOpen(DONT_CHANGE_OPEN_STATE) { }
+};
+
+struct InputContext {
+  IMEState mIMEState;
 
   /* The type of the input if the input is a html input field */
   nsString mHTMLInputType;
 
   /* A hint for the action that is performed when the input is submitted */
   nsString mActionHint;
-
-  InputContext() : mIMEEnabled(IME_ENABLED) {}
 };
 
 struct InputContextAction {
@@ -355,6 +386,7 @@ class nsIWidget : public nsISupports {
     typedef mozilla::layers::LayerManager LayerManager;
     typedef LayerManager::LayersBackend LayersBackend;
     typedef mozilla::layers::PLayersChild PLayersChild;
+    typedef mozilla::widget::IMEState IMEState;
     typedef mozilla::widget::InputContext InputContext;
     typedef mozilla::widget::InputContextAction InputContextAction;
 
@@ -1326,20 +1358,6 @@ class nsIWidget : public nsISupports {
      * http://bugzilla.mozilla.org/show_bug.cgi?id=16940#c48
      */
 
-    /*
-     * Set the state to 'Opened' or 'Closed'.
-     * If aState is TRUE, IME open state is set to 'Opened'.
-     * If aState is FALSE, set to 'Closed'.
-     */
-    NS_IMETHOD SetIMEOpenState(bool aState) = 0;
-
-    /*
-     * Get IME is 'Opened' or 'Closed'.
-     * If IME is 'Opened', aState is set true.
-     * If IME is 'Closed', aState is set false.
-     */
-    NS_IMETHOD GetIMEOpenState(bool* aState) = 0;
-
     /*
      * Destruct and don't commit the IME composition string.
      */
diff --git a/widget/src/android/nsWindow.cpp b/widget/src/android/nsWindow.cpp
index e09968a737d..bdaa9d835d9 100644
--- a/widget/src/android/nsWindow.cpp
+++ b/widget/src/android/nsWindow.cpp
@@ -2050,21 +2050,22 @@ NS_IMETHODIMP_(void)
 nsWindow::SetInputContext(const InputContext& aContext,
                           const InputContextAction& aAction)
 {
-    ALOGIME("IME: SetInputContext: s=%d action=0x%X, 0x%X",
-            aContext.mIMEEnabled, aAction.mCause, aAction.mFocusChange);
+    ALOGIME("IME: SetInputContext: s=0x%X, 0x%X, action=0x%X, 0x%X",
+            aContext.mIMEState.mEnabled, aContext.mIMEState.mOpen,
+            aAction.mCause, aAction.mFocusChange);
 
     mInputContext = aContext;
 
     // Ensure that opening the virtual keyboard is allowed for this specific
     // InputContext depending on the content.ime.strict.policy pref
-    if (aContext.mIMEEnabled != InputContext::IME_DISABLED && 
-        aContext.mIMEEnabled != InputContext::IME_PLUGIN &&
+    if (aContext.mIMEState.mEnabled != IMEState::DISABLED && 
+        aContext.mIMEState.mEnabled != IMEState::PLUGIN &&
         Preferences::GetBool("content.ime.strict_policy", false) &&
         !aAction.ContentGotFocusByTrustedCause()) {
         return;
     }
 
-    AndroidBridge::NotifyIMEEnabled(int(aContext.mIMEEnabled),
+    AndroidBridge::NotifyIMEEnabled(int(aContext.mIMEState.mEnabled),
                                     aContext.mHTMLInputType,
                                     aContext.mActionHint);
 }
@@ -2072,6 +2073,7 @@ nsWindow::SetInputContext(const InputContext& aContext,
 NS_IMETHODIMP_(InputContext)
 nsWindow::GetInputContext()
 {
+    mInputContext.mIMEState.mOpen = IMEState::OPEN_STATE_NOT_SUPPORTED;
     return mInputContext;
 }
 
diff --git a/widget/src/cocoa/nsChildView.h b/widget/src/cocoa/nsChildView.h
index 092242a81d9..cf4c528b4ac 100644
--- a/widget/src/cocoa/nsChildView.h
+++ b/widget/src/cocoa/nsChildView.h
@@ -446,8 +446,6 @@ public:
   NS_IMETHOD        ForceUpdateNativeMenuAt(const nsAString& indexString);
 
   NS_IMETHOD        ResetInputState();
-  NS_IMETHOD        SetIMEOpenState(bool aState);
-  NS_IMETHOD        GetIMEOpenState(bool* aState);
   NS_IMETHOD_(void) SetInputContext(const InputContext& aContext,
                                     const InputContextAction& aAction);
   NS_IMETHOD_(InputContext) GetInputContext();
diff --git a/widget/src/cocoa/nsChildView.mm b/widget/src/cocoa/nsChildView.mm
index 53a1b51258c..07b7c1982f8 100644
--- a/widget/src/cocoa/nsChildView.mm
+++ b/widget/src/cocoa/nsChildView.mm
@@ -1673,39 +1673,27 @@ NS_IMETHODIMP nsChildView::ResetInputState()
   return NS_OK;
 }
 
-// 'open' means that it can take non-ASCII chars
-NS_IMETHODIMP nsChildView::SetIMEOpenState(bool aState)
-{
-  NS_ENSURE_TRUE(mTextInputHandler, NS_ERROR_NOT_AVAILABLE);
-  mTextInputHandler->SetIMEOpenState(aState);
-  return NS_OK;
-}
-
-// 'open' means that it can take non-ASCII chars
-NS_IMETHODIMP nsChildView::GetIMEOpenState(bool* aState)
-{
-  NS_ENSURE_TRUE(mTextInputHandler, NS_ERROR_NOT_AVAILABLE);
-  *aState = mTextInputHandler->IsIMEOpened();
-  return NS_OK;
-}
-
 NS_IMETHODIMP_(void)
 nsChildView::SetInputContext(const InputContext& aContext,
                              const InputContextAction& aAction)
 {
   NS_ENSURE_TRUE(mTextInputHandler, );
   mInputContext = aContext;
-  switch (aContext.mIMEEnabled) {
-    case InputContext::IME_ENABLED:
-    case InputContext::IME_PLUGIN:
+  switch (aContext.mIMEState.mEnabled) {
+    case IMEState::ENABLED:
+    case IMEState::PLUGIN:
       mTextInputHandler->SetASCIICapableOnly(false);
       mTextInputHandler->EnableIME(true);
+      if (mInputContext.mIMEState.mOpen != IMEState::DONT_CHANGE_OPEN_STATE) {
+        mTextInputHandler->SetIMEOpenState(
+          mInputContext.mIMEState.mOpen == IMEState::OPEN);
+      }
       break;
-    case InputContext::IME_DISABLED:
+    case IMEState::DISABLED:
       mTextInputHandler->SetASCIICapableOnly(false);
       mTextInputHandler->EnableIME(false);
       break;
-    case InputContext::IME_PASSWORD:
+    case IMEState::PASSWORD:
       mTextInputHandler->SetASCIICapableOnly(true);
       mTextInputHandler->EnableIME(false);
       break;
@@ -1717,6 +1705,19 @@ nsChildView::SetInputContext(const InputContext& aContext,
 NS_IMETHODIMP_(InputContext)
 nsChildView::GetInputContext()
 {
+  switch (mInputContext.mIMEState.mEnabled) {
+    case IMEState::ENABLED:
+    case IMEState::PLUGIN:
+      if (mTextInputHandler) {
+        mInputContext.mIMEState.mOpen =
+          mTextInputHandler->IsIMEOpened() ? IMEState::OPEN : IMEState::CLOSED;
+        break;
+      }
+      // If mTextInputHandler is null, set CLOSED instead...
+    default:
+      mInputContext.mIMEState.mOpen = IMEState::CLOSED;
+      break;
+  }
   return mInputContext;
 }
 
diff --git a/widget/src/gtk2/nsGtkIMModule.cpp b/widget/src/gtk2/nsGtkIMModule.cpp
index 851529e888d..eb1c2036d88 100644
--- a/widget/src/gtk2/nsGtkIMModule.cpp
+++ b/widget/src/gtk2/nsGtkIMModule.cpp
@@ -86,13 +86,13 @@ static const char*
 GetEnabledStateName(PRUint32 aState)
 {
     switch (aState) {
-        case InputContext::IME_DISABLED:
+        case IMEState::DISABLED:
             return "DISABLED";
-        case InputContext::IME_ENABLED:
+        case IMEState::ENABLED:
             return "ENABLED";
-        case InputContext::IME_PASSWORD:
+        case IMEState::PASSWORD:
             return "PASSWORD";
-        case InputContext::IME_PLUGIN:
+        case IMEState::PLUGIN:
             return "PLUG_IN";
         default:
             return "UNKNOWN ENABLED STATUS!!";
@@ -122,7 +122,6 @@ nsGtkIMModule::nsGtkIMModule(nsWindow* aOwnerWindow) :
         gGtkIMLog = PR_NewLogModule("nsGtkIMModuleWidgets");
     }
 #endif
-    mInputContext.mIMEEnabled = InputContext::IME_ENABLED;
     Init();
 }
 
@@ -258,7 +257,7 @@ nsGtkIMModule::OnDestroyWindow(nsWindow* aWindow)
 
     mOwnerWindow = nsnull;
     mLastFocusedWindow = nsnull;
-    mInputContext.mIMEEnabled = InputContext::IME_DISABLED;
+    mInputContext.mIMEState.mEnabled = IMEState::DISABLED;
 
     PR_LOG(gGtkIMLog, PR_LOG_ALWAYS,
         ("    SUCCEEDED, Completely destroyed"));
@@ -547,14 +546,14 @@ nsGtkIMModule::SetInputContext(nsWindow* aCaller,
                                const InputContext* aContext,
                                const InputContextAction* aAction)
 {
-    if (aContext->mIMEEnabled == mInputContext.mIMEEnabled ||
+    if (aContext->mIMEState.mEnabled == mInputContext.mIMEState.mEnabled ||
         NS_UNLIKELY(IsDestroyed())) {
         return;
     }
 
     PR_LOG(gGtkIMLog, PR_LOG_ALWAYS,
         ("GtkIMModule(%p): SetInputContext, aCaller=%p, aState=%s mHTMLInputType=%s",
-         this, aCaller, GetEnabledStateName(aContext->mIMEEnabled),
+         this, aCaller, GetEnabledStateName(aContext->mIMEState.mEnabled),
          NS_ConvertUTF16toUTF8(aContext->mHTMLInputType).get()));
 
     if (aCaller != mLastFocusedWindow) {
@@ -598,8 +597,8 @@ nsGtkIMModule::SetInputContext(nsWindow* aCaller,
         if (IsEnabled()) {
             // Ensure that opening the virtual keyboard is allowed for this specific
             // InputContext depending on the content.ime.strict.policy pref
-            if (mInputContext.mIMEEnabled != InputContext::IME_DISABLED && 
-                mInputContext.mIMEEnabled != InputContext::IME_PLUGIN &&
+            if (mInputContext.mIMEState.mEnabled != IMEState::DISABLED && 
+                mInputContext.mIMEState.mEnabled != IMEState::PLUGIN &&
                 Preferences::GetBool("content.ime.strict_policy", false) &&
                 !aAction->ContentGotFocusByTrustedCause()) {
                 return;
@@ -611,10 +610,10 @@ nsGtkIMModule::SetInputContext(nsWindow* aCaller,
             int mode;
             g_object_get(im, "hildon-input-mode", &mode, NULL);
 
-            if (mInputContext.mIMEEnabled == InputContext::IME_ENABLED ||
-                mInputContext.mIMEEnabled == InputContext::IME_PLUGIN) {
+            if (mInputContext.mIMEState.mEnabled == IMEState::ENABLED ||
+                mInputContext.mIMEState.mEnabled == IMEState::PLUGIN) {
                 mode &= ~HILDON_GTK_INPUT_MODE_INVISIBLE;
-            } else if (mInputContext.mIMEEnabled == InputContext::IME_PASSWORD) {
+            } else if (mInputContext.mIMEState.mEnabled == IMEState::PASSWORD) {
                mode |= HILDON_GTK_INPUT_MODE_INVISIBLE;
             }
 
@@ -659,6 +658,7 @@ nsGtkIMModule::SetInputContext(nsWindow* aCaller,
 InputContext
 nsGtkIMModule::GetInputContext()
 {
+    mInputContext.mIMEState.mOpen = IMEState::OPEN_STATE_NOT_SUPPORTED;
     return mInputContext;
 }
 
@@ -681,7 +681,7 @@ nsGtkIMModule::GetContext()
     }
 
 #ifndef NS_IME_ENABLED_ON_PASSWORD_FIELD
-    if (mInputContext.mIMEEnabled == InputContext::IME_PASSWORD) {
+    if (mInputContext.mIMEState.mEnabled == IMEState::PASSWORD) {
         return mSimpleContext;
     }
 #endif // NS_IME_ENABLED_ON_PASSWORD_FIELD
@@ -692,19 +692,19 @@ nsGtkIMModule::GetContext()
 bool
 nsGtkIMModule::IsEnabled()
 {
-    return mInputContext.mIMEEnabled == InputContext::IME_ENABLED ||
+    return mInputContext.mIMEState.mEnabled == IMEState::ENABLED ||
 #ifdef NS_IME_ENABLED_ON_PASSWORD_FIELD
-           mInputContext.mIMEEnabled == InputContext::IME_PASSWORD ||
+           mInputContext.mIMEState.mEnabled == IMEState::PASSWORD ||
 #endif // NS_IME_ENABLED_ON_PASSWORD_FIELD
-           mInputContext.mIMEEnabled == InputContext::IME_PLUGIN;
+           mInputContext.mIMEState.mEnabled == IMEState::PLUGIN;
 }
 
 bool
 nsGtkIMModule::IsEditable()
 {
-    return mInputContext.mIMEEnabled == InputContext::IME_ENABLED ||
-           mInputContext.mIMEEnabled == InputContext::IME_PLUGIN ||
-           mInputContext.mIMEEnabled == InputContext::IME_PASSWORD;
+    return mInputContext.mIMEState.mEnabled == IMEState::ENABLED ||
+           mInputContext.mIMEState.mEnabled == IMEState::PLUGIN ||
+           mInputContext.mIMEState.mEnabled == IMEState::PASSWORD;
 }
 
 void
diff --git a/widget/src/gtk2/nsWindow.cpp b/widget/src/gtk2/nsWindow.cpp
index bed36e29933..b530521edf0 100644
--- a/widget/src/gtk2/nsWindow.cpp
+++ b/widget/src/gtk2/nsWindow.cpp
@@ -6591,7 +6591,8 @@ nsWindow::GetInputContext()
 {
   InputContext context;
   if (!mIMModule) {
-      context.mIMEEnabled = InputContext::IME_DISABLED;
+      context.mIMEState.mEnabled = IMEState::DISABLED;
+      context.mIMEState.mOpen = IMEState::OPEN_STATE_NOT_SUPPORTED;
   } else {
       context = mIMModule->GetInputContext();
   }
diff --git a/widget/src/qt/nsWindow.cpp b/widget/src/qt/nsWindow.cpp
index a2ae0ec75f3..569ff0eea86 100644
--- a/widget/src/qt/nsWindow.cpp
+++ b/widget/src/qt/nsWindow.cpp
@@ -3228,12 +3228,12 @@ nsWindow::SetInputContext(const InputContext& aContext,
 #if defined(MOZ_X11) && (MOZ_PLATFORM_MAEMO == 6)
     if (sPluginIMEAtom) {
         static QCoreApplication::EventFilter currentEventFilter = NULL;
-        if (mInputContext.mIMEEnabled == InputContext::IME_PLUGIN &&
+        if (mInputContext.mIMEState.mEnabled == IMEState::PLUGIN &&
             currentEventFilter != x11EventFilter) {
             // Install event filter for listening Plugin IME state changes
             previousEventFilter = QCoreApplication::instance()->setEventFilter(x11EventFilter);
             currentEventFilter = x11EventFilter;
-        } else if (mInputContext.mIMEEnabled != InputContext::IME_PLUGIN &&
+        } else if (mInputContext.mIMEState.mEnabled != IMEState::PLUGIN &&
                    currentEventFilter == x11EventFilter) {
             // Remove event filter
             QCoreApplication::instance()->setEventFilter(previousEventFilter);
@@ -3247,10 +3247,10 @@ nsWindow::SetInputContext(const InputContext& aContext,
     }
 #endif
 
-    switch (mInputContext.mIMEEnabled) {
-        case InputContext::IME_ENABLED:
-        case InputContext::IME_PASSWORD:
-        case InputContext::IME_PLUGIN:
+    switch (mInputContext.mIMEState.mEnabled) {
+        case IMEState::ENABLED:
+        case IMEState::PASSWORD:
+        case IMEState::PLUGIN:
             SetSoftwareKeyboardState(true, aAction);
             break;
         default:
@@ -3262,6 +3262,7 @@ nsWindow::SetInputContext(const InputContext& aContext,
 NS_IMETHODIMP_(InputContext)
 nsWindow::GetInputContext()
 {
+    mInputContext.mIMEState.mOpen = IMEState::OPEN_STATE_NOT_SUPPORTED;
     return mInputContext;
 }
 
@@ -3270,12 +3271,11 @@ nsWindow::SetSoftwareKeyboardState(bool aOpen,
                                    const InputContextAction& aAction)
 {
     if (aOpen) {
-        NS_ENSURE_TRUE(mInputContext.mIMEEnabled !=
-                           InputContext::IME_DISABLED, );
+        NS_ENSURE_TRUE(mInputContext.mIMEState.mEnabled != IMEState::DISABLED,);
 
         // Ensure that opening the virtual keyboard is allowed for this specific
         // InputContext depending on the content.ime.strict.policy pref
-        if (mInputContext.mIMEEnabled != InputContext::IME_PLUGIN &&
+        if (mInputContext.mIMEState.mEnabled != IMEState::PLUGIN &&
             Preferences::GetBool("content.ime.strict_policy", false) &&
             !aAction.ContentGotFocusByTrustedCause()) {
             return;
diff --git a/widget/src/windows/nsTextStore.cpp b/widget/src/windows/nsTextStore.cpp
index 527e7d2d92b..af5bf21240b 100644
--- a/widget/src/windows/nsTextStore.cpp
+++ b/widget/src/windows/nsTextStore.cpp
@@ -88,7 +88,7 @@ nsTextStore::~nsTextStore()
 
 bool
 nsTextStore::Create(nsWindow* aWindow,
-                    PRUint32 aIMEState)
+                    IMEState::Enabled aIMEEnabled)
 {
   if (!mDocumentMgr) {
     // Create document manager
@@ -101,7 +101,7 @@ nsTextStore::Create(nsWindow* aWindow,
                                      static_cast<ITextStoreACP*>(this),
                                      getter_AddRefs(mContext), &mEditCookie);
     if (SUCCEEDED(hr)) {
-      SetInputContextInternal(aIMEState);
+      SetInputContextInternal(aIMEEnabled);
       hr = mDocumentMgr->Push(mContext);
     }
     if (SUCCEEDED(hr)) {
@@ -1478,7 +1478,7 @@ nsTextStore::OnEndComposition(ITfCompositionView* pComposition)
 nsresult
 nsTextStore::OnFocusChange(bool aFocus,
                            nsWindow* aWindow,
-                           PRUint32 aIMEEnabled)
+                           IMEState::Enabled aIMEEnabled)
 {
   // no change notifications if TSF is disabled
   if (!sTsfThreadMgr || !sTsfTextStore)
@@ -1631,14 +1631,14 @@ nsTextStore::GetIMEOpenState(void)
 }
 
 void
-nsTextStore::SetInputContextInternal(PRUint32 aState)
+nsTextStore::SetInputContextInternal(IMEState::Enabled aState)
 {
   PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
-         ("TSF: SetInputContext, state=%lu\n", aState));
+         ("TSF: SetInputContext, state=%ld\n", static_cast<PRInt32>(aState)));
 
   VARIANT variant;
   variant.vt = VT_I4;
-  variant.lVal = aState != InputContext::IME_ENABLED;
+  variant.lVal = (aState != IMEState::ENABLED);
 
   // Set two contexts, the base context (mContext) and the top
   // if the top context is not the same as the base context
diff --git a/widget/src/windows/nsTextStore.h b/widget/src/windows/nsTextStore.h
index 9ff61085b31..36ce1258019 100644
--- a/widget/src/windows/nsTextStore.h
+++ b/widget/src/windows/nsTextStore.h
@@ -111,6 +111,7 @@ public: /*ITfContextOwnerCompositionSink*/
   STDMETHODIMP OnEndComposition(ITfCompositionView*);
 
 protected:
+  typedef mozilla::widget::IMEState IMEState;
   typedef mozilla::widget::InputContext InputContext;
 
 public:
@@ -128,10 +129,10 @@ public:
   static void     SetInputContext(const InputContext& aContext)
   {
     if (!sTsfTextStore) return;
-    sTsfTextStore->SetInputContextInternal(aContext.mIMEEnabled);
+    sTsfTextStore->SetInputContextInternal(aContext.mIMEState.mEnabled);
   }
 
-  static nsresult OnFocusChange(bool, nsWindow*, PRUint32);
+  static nsresult OnFocusChange(bool, nsWindow*, IMEState::Enabled);
 
   static nsresult OnTextChange(PRUint32 aStart,
                                PRUint32 aOldEnd,
@@ -183,7 +184,7 @@ protected:
   nsTextStore();
   ~nsTextStore();
 
-  bool     Create(nsWindow*, PRUint32);
+  bool     Create(nsWindow*, IMEState::Enabled);
   bool     Destroy(void);
 
   // If aDispatchTextEvent is true, this method will dispatch text event if
@@ -194,7 +195,7 @@ protected:
                                 bool aDispatchTextEvent = false);
   HRESULT  OnStartCompositionInternal(ITfCompositionView*, ITfRange*, bool);
   void     CommitCompositionInternal(bool);
-  void     SetInputContextInternal(PRUint32 aState);
+  void     SetInputContextInternal(IMEState::Enabled aState);
   nsresult OnTextChangeInternal(PRUint32, PRUint32, PRUint32);
   void     OnTextChangeMsgInternal(void);
   nsresult OnSelectionChangeInternal(void);
diff --git a/widget/src/windows/nsWindow.cpp b/widget/src/windows/nsWindow.cpp
index 63ddda77206..feee2d9cfb9 100644
--- a/widget/src/windows/nsWindow.cpp
+++ b/widget/src/windows/nsWindow.cpp
@@ -406,7 +406,6 @@ nsWindow::nsWindow() : nsBaseWidget()
   mLastKeyboardLayout   = 0;
   mAssumeWheelIsZoomUntil = 0;
   mBlurSuppressLevel    = 0;
-  mInputContext.mIMEEnabled = InputContext::IME_ENABLED;
 #ifdef MOZ_XUL
   mTransparentSurface   = nsnull;
   mMemoryDC             = nsnull;
@@ -8031,72 +8030,56 @@ NS_IMETHODIMP nsWindow::ResetInputState()
   return NS_OK;
 }
 
-NS_IMETHODIMP nsWindow::SetIMEOpenState(bool aState)
-{
-#ifdef DEBUG_KBSTATE
-  PR_LOG(gWindowsLog, PR_LOG_ALWAYS, 
-         ("SetIMEOpenState %s\n", (aState ? "Open" : "Close")));
-#endif 
-
-#ifdef NS_ENABLE_TSF
-  nsTextStore::SetIMEOpenState(aState);
-#endif //NS_ENABLE_TSF
-
-  nsIMEContext IMEContext(mWnd);
-  if (IMEContext.IsValid()) {
-    ::ImmSetOpenStatus(IMEContext.get(), aState ? TRUE : FALSE);
-  }
-  return NS_OK;
-}
-
-NS_IMETHODIMP nsWindow::GetIMEOpenState(bool* aState)
-{
-  nsIMEContext IMEContext(mWnd);
-  if (IMEContext.IsValid()) {
-    BOOL isOpen = ::ImmGetOpenStatus(IMEContext.get());
-    *aState = isOpen ? true : false;
-  } else 
-    *aState = false;
-
-#ifdef NS_ENABLE_TSF
-  *aState |= nsTextStore::GetIMEOpenState();
-#endif //NS_ENABLE_TSF
-
-  return NS_OK;
-}
-
 NS_IMETHODIMP_(void)
 nsWindow::SetInputContext(const InputContext& aContext,
                           const InputContextAction& aAction)
 {
-  PRUint32 status = aContext.mIMEEnabled;
 #ifdef NS_ENABLE_TSF
   nsTextStore::SetInputContext(aContext);
 #endif //NS_ENABLE_TSF
-#ifdef DEBUG_KBSTATE
-  PR_LOG(gWindowsLog, PR_LOG_ALWAYS, 
-         ("SetInputMode: %s\n", (status == InputContext::IME_ENABLED ||
-                                 status == InputContext::IME_PLUGIN) ? 
-                                 "Enabled" : "Disabled"));
-#endif 
   if (nsIMM32Handler::IsComposing()) {
     ResetInputState();
   }
   mInputContext = aContext;
-  bool enable = (status == InputContext::IME_ENABLED ||
-                 status == InputContext::IME_PLUGIN);
+  bool enable = (mInputContext.mIMEState.mEnabled == IMEState::ENABLED ||
+                 mInputContext.mIMEState.mEnabled == IMEState::PLUGIN);
 
   AssociateDefaultIMC(enable);
+
+  if (enable &&
+      mInputContext.mIMEState.mOpen != IMEState::DONT_CHANGE_OPEN_STATE) {
+    bool open = (mInputContext.mIMEState.mOpen == IMEState::OPEN);
+#ifdef NS_ENABLE_TSF
+    nsTextStore::SetIMEOpenState(open);
+#endif //NS_ENABLE_TSF
+    nsIMEContext IMEContext(mWnd);
+    if (IMEContext.IsValid()) {
+      ::ImmSetOpenStatus(IMEContext.get(), open);
+    }
+  }
 }
 
 NS_IMETHODIMP_(InputContext)
 nsWindow::GetInputContext()
 {
-#ifdef DEBUG_KBSTATE
-  PR_LOG(gWindowsLog, PR_LOG_ALWAYS, 
-         ("GetInputMode: %s\n", mInputContext.mIMEEnabled ?
-           "Enabled" : "Disabled");
-#endif 
+  mInputContext.mIMEState.mOpen = IMEState::CLOSED;
+  switch (mInputContext.mIMEState.mEnabled) {
+    case IMEState::ENABLED:
+    case IMEState::PLUGIN: {
+      nsIMEContext IMEContext(mWnd);
+      if (IMEContext.IsValid()) {
+        mInputContext.mIMEState.mOpen =
+          ::ImmGetOpenStatus(IMEContext.get()) ? IMEState::OPEN :
+                                                 IMEState::CLOSED;
+      }
+#ifdef NS_ENABLE_TSF
+      if (mInputContext.mIMEState.mOpen == IMEState::CLOSED &&
+          nsTextStore::GetIMEOpenState()) {
+        mInputContext.mIMEState.mOpen = IMEState::OPEN;
+      }
+#endif //NS_ENABLE_TSF
+    }
+  }
   return mInputContext;
 }
 
@@ -8130,7 +8113,7 @@ NS_IMETHODIMP
 nsWindow::OnIMEFocusChange(bool aFocus)
 {
   nsresult rv = nsTextStore::OnFocusChange(aFocus, this,
-                                           mInputContext.mIMEEnabled);
+                                           mInputContext.mIMEState.mEnabled);
   if (rv == NS_ERROR_NOT_AVAILABLE)
     rv = NS_ERROR_NOT_IMPLEMENTED; // TSF is not enabled, maybe.
   return rv;
diff --git a/widget/src/windows/nsWindow.h b/widget/src/windows/nsWindow.h
index 30d2c083285..d01a9574d73 100644
--- a/widget/src/windows/nsWindow.h
+++ b/widget/src/windows/nsWindow.h
@@ -179,8 +179,6 @@ public:
                                                      PRUint32 aNativeMessage,
                                                      PRUint32 aModifierFlags);
   NS_IMETHOD              ResetInputState();
-  NS_IMETHOD              SetIMEOpenState(bool aState);
-  NS_IMETHOD              GetIMEOpenState(bool* aState);
   NS_IMETHOD_(void)       SetInputContext(const InputContext& aContext,
                                           const InputContextAction& aAction);
   NS_IMETHOD_(InputContext) GetInputContext();
@@ -265,7 +263,7 @@ public:
   // needed in nsIMM32Handler.cpp
   bool                    PluginHasFocus()
   {
-    return mInputContext.mIMEEnabled == InputContext::IME_PLUGIN;
+    return (mInputContext.mIMEState.mEnabled == IMEState::PLUGIN);
   }
   bool                    IsTopLevelWidget() { return mIsTopWidgetWindow; }
   /**
diff --git a/widget/src/xpwidgets/PuppetWidget.cpp b/widget/src/xpwidgets/PuppetWidget.cpp
index 7be8b8fcaac..e80ea688aca 100644
--- a/widget/src/xpwidgets/PuppetWidget.cpp
+++ b/widget/src/xpwidgets/PuppetWidget.cpp
@@ -399,15 +399,6 @@ PuppetWidget::CancelComposition()
   return IMEEndComposition(true);
 }
 
-NS_IMETHODIMP
-PuppetWidget::SetIMEOpenState(bool aState)
-{
-  if (mTabChild &&
-      mTabChild->SendSetIMEOpenState(aState))
-    return NS_OK;
-  return NS_ERROR_FAILURE;
-}
-
 NS_IMETHODIMP_(void)
 PuppetWidget::SetInputContext(const InputContext& aContext,
                               const InputContextAction& aAction)
@@ -415,20 +406,13 @@ PuppetWidget::SetInputContext(const InputContext& aContext,
   if (!mTabChild) {
     return;
   }
-  mTabChild->SendSetInputContext(aContext.mIMEEnabled,
-                                 aContext.mHTMLInputType,
-                                 aContext.mActionHint,
-                                 static_cast<PRInt32>(aAction.mCause),
-                                 static_cast<PRInt32>(aAction.mFocusChange));
-}
-
-NS_IMETHODIMP
-PuppetWidget::GetIMEOpenState(bool *aState)
-{
-  if (mTabChild &&
-      mTabChild->SendGetIMEOpenState(aState))
-    return NS_OK;
-  return NS_ERROR_FAILURE;
+  mTabChild->SendSetInputContext(
+    static_cast<PRInt32>(aContext.mIMEState.mEnabled),
+    static_cast<PRInt32>(aContext.mIMEState.mOpen),
+    aContext.mHTMLInputType,
+    aContext.mActionHint,
+    static_cast<PRInt32>(aAction.mCause),
+    static_cast<PRInt32>(aAction.mFocusChange));
 }
 
 NS_IMETHODIMP_(InputContext)
@@ -436,7 +420,10 @@ PuppetWidget::GetInputContext()
 {
   InputContext context;
   if (mTabChild) {
-    mTabChild->SendGetInputContext(&context.mIMEEnabled);
+    PRInt32 enabled, open;
+    mTabChild->SendGetInputContext(&enabled, &open);
+    context.mIMEState.mEnabled = static_cast<IMEState::Enabled>(enabled);
+    context.mIMEState.mOpen = static_cast<IMEState::Open>(open);
   }
   return context;
 }
diff --git a/widget/src/xpwidgets/PuppetWidget.h b/widget/src/xpwidgets/PuppetWidget.h
index 6f39ff7e49e..95e0489747b 100644
--- a/widget/src/xpwidgets/PuppetWidget.h
+++ b/widget/src/xpwidgets/PuppetWidget.h
@@ -168,8 +168,6 @@ public:
   virtual gfxASurface*      GetThebesSurface();
 
   NS_IMETHOD ResetInputState();
-  NS_IMETHOD SetIMEOpenState(bool aState);
-  NS_IMETHOD GetIMEOpenState(bool *aState);
   NS_IMETHOD_(void) SetInputContext(const InputContext& aContext,
                                     const InputContextAction& aAction);
   NS_IMETHOD_(InputContext) GetInputContext();
diff --git a/widget/src/xpwidgets/nsBaseWidget.h b/widget/src/xpwidgets/nsBaseWidget.h
index 86c08debe75..bc5f41ad3d2 100644
--- a/widget/src/xpwidgets/nsBaseWidget.h
+++ b/widget/src/xpwidgets/nsBaseWidget.h
@@ -142,8 +142,6 @@ public:
   virtual nsresult        ActivateNativeMenuItemAt(const nsAString& indexString) { return NS_ERROR_NOT_IMPLEMENTED; }
   virtual nsresult        ForceUpdateNativeMenuAt(const nsAString& indexString) { return NS_ERROR_NOT_IMPLEMENTED; }
   NS_IMETHOD              ResetInputState() { return NS_OK; }
-  NS_IMETHOD              SetIMEOpenState(bool aState) { return NS_ERROR_NOT_IMPLEMENTED; }
-  NS_IMETHOD              GetIMEOpenState(bool* aState) { return NS_ERROR_NOT_IMPLEMENTED; }
   NS_IMETHOD              CancelIMEComposition() { return NS_OK; }
   NS_IMETHOD              SetAcceleratedRendering(bool aEnabled);
   virtual bool            GetAcceleratedRendering();