diff --git a/widget/cocoa/nsChildView.h b/widget/cocoa/nsChildView.h
index 20b339d657db..8b858394687b 100644
--- a/widget/cocoa/nsChildView.h
+++ b/widget/cocoa/nsChildView.h
@@ -347,9 +347,6 @@ class nsChildView final : public nsBaseWidget {
   virtual LayoutDeviceIntPoint WidgetToScreenOffset() override;
   virtual bool ShowsResizeIndicator(LayoutDeviceIntRect* aResizerRect) override { return false; }
 
-  static bool ConvertStatus(nsEventStatus aStatus) {
-    return aStatus == nsEventStatus_eConsumeNoDefault;
-  }
   virtual nsresult DispatchEvent(mozilla::WidgetGUIEvent* aEvent, nsEventStatus& aStatus) override;
 
   virtual bool WidgetTypeSupportsAcceleration() override;
@@ -413,9 +410,6 @@ class nsChildView final : public nsBaseWidget {
                                                      uint32_t aModifierFlags) override;
 
   // Mac specific methods
-
-  virtual bool DispatchWindowEvent(mozilla::WidgetGUIEvent& event);
-
   void WillPaintWindow();
   bool PaintWindow(LayoutDeviceIntRegion aRegion);
   bool PaintWindowInDrawTarget(mozilla::gfx::DrawTarget* aDT, const LayoutDeviceIntRegion& aRegion,
diff --git a/widget/cocoa/nsChildView.mm b/widget/cocoa/nsChildView.mm
index ae3b45b59873..70afb19c844d 100644
--- a/widget/cocoa/nsChildView.mm
+++ b/widget/cocoa/nsChildView.mm
@@ -1298,12 +1298,6 @@ nsresult nsChildView::DispatchEvent(WidgetGUIEvent* event, nsEventStatus& aStatu
   return NS_OK;
 }
 
-bool nsChildView::DispatchWindowEvent(WidgetGUIEvent& event) {
-  nsEventStatus status;
-  DispatchEvent(&event, status);
-  return ConvertStatus(status);
-}
-
 nsIWidget* nsChildView::GetWidgetForListenerEvents() {
   // If there is no listener, use the parent popup's listener if that exists.
   if (!mWidgetListener && mParentWidget && mParentWidget->WindowType() == eWindowType_popup) {
diff --git a/widget/nsBaseWidget.cpp b/widget/nsBaseWidget.cpp
index 16421040f826..f2322937fa1a 100644
--- a/widget/nsBaseWidget.cpp
+++ b/widget/nsBaseWidget.cpp
@@ -1141,6 +1141,12 @@ void nsBaseWidget::DispatchEventToAPZOnly(mozilla::WidgetInputEvent* aEvent) {
   }
 }
 
+bool nsBaseWidget::DispatchWindowEvent(WidgetGUIEvent& event) {
+  nsEventStatus status;
+  DispatchEvent(&event, status);
+  return ConvertStatus(status);
+}
+
 Document* nsBaseWidget::GetDocument() const {
   if (mWidgetListener) {
     if (PresShell* presShell = mWidgetListener->GetPresShell()) {
diff --git a/widget/nsBaseWidget.h b/widget/nsBaseWidget.h
index 45b090df17e1..53bc756cd050 100644
--- a/widget/nsBaseWidget.h
+++ b/widget/nsBaseWidget.h
@@ -312,6 +312,8 @@ class nsBaseWidget : public nsIWidget, public nsSupportsWeakReference {
       mozilla::WidgetInputEvent* aEvent) override;
   void DispatchEventToAPZOnly(mozilla::WidgetInputEvent* aEvent) override;
 
+  bool DispatchWindowEvent(mozilla::WidgetGUIEvent& event) override;
+
   void SetConfirmedTargetAPZC(
       uint64_t aInputBlockId,
       const nsTArray<ScrollableLayerGuid>& aTargets) const override;
@@ -637,6 +639,10 @@ class nsBaseWidget : public nsIWidget, public nsSupportsWeakReference {
   void DispatchPanGestureInput(mozilla::PanGestureInput& aInput);
   void DispatchPinchGestureInput(mozilla::PinchGestureInput& aInput);
 
+  static bool ConvertStatus(nsEventStatus aStatus) {
+    return aStatus == nsEventStatus_eConsumeNoDefault;
+  }
+
  protected:
   // Returns whether compositing should use an external surface size.
   virtual bool UseExternalCompositingSurface() const { return false; }
diff --git a/widget/nsIWidget.h b/widget/nsIWidget.h
index 85d883098098..6a9c62919ec0 100644
--- a/widget/nsIWidget.h
+++ b/widget/nsIWidget.h
@@ -1330,6 +1330,12 @@ class nsIWidget : public nsISupports {
    */
   virtual void DispatchEventToAPZOnly(mozilla::WidgetInputEvent* aEvent) = 0;
 
+  /*
+   * Dispatch a gecko event for this widget.
+   * Returns true if it's consumed.  Otherwise, false.
+   */
+  virtual bool DispatchWindowEvent(mozilla::WidgetGUIEvent& event) = 0;
+
   // A structure that groups the statuses from APZ dispatch and content
   // dispatch.
   struct ContentAndAPZEventStatus {
diff --git a/widget/windows/IMMHandler.cpp b/widget/windows/IMMHandler.cpp
index 2c7da1dcdf7d..fead38fc42d7 100644
--- a/widget/windows/IMMHandler.cpp
+++ b/widget/windows/IMMHandler.cpp
@@ -1579,7 +1579,7 @@ void IMMHandler::DispatchEvent(nsWindow* aWindow, WidgetGUIEvent& aEvent) {
     return;
   }
 
-  aWindow->DispatchWindowEvent(&aEvent);
+  aWindow->DispatchWindowEvent(aEvent);
 }
 
 void IMMHandler::DispatchCompositionChangeEvent(nsWindow* aWindow,
diff --git a/widget/windows/KeyboardLayout.cpp b/widget/windows/KeyboardLayout.cpp
index df9dd6e92af9..9cd6d12e2e77 100644
--- a/widget/windows/KeyboardLayout.cpp
+++ b/widget/windows/KeyboardLayout.cpp
@@ -2167,7 +2167,7 @@ bool NativeKey::DispatchCommandEvent(uint32_t aEventCommand) const {
            "%s app command event...",
            this, nsAtomCString(command).get()));
   bool ok =
-      mWidget->DispatchWindowEvent(&appCommandEvent) || mWidget->Destroyed();
+      mWidget->DispatchWindowEvent(appCommandEvent) || mWidget->Destroyed();
   MOZ_LOG(
       gKeyLog, LogLevel::Info,
       ("%p   NativeKey::DispatchCommandEvent(), dispatched app command event, "
@@ -2319,7 +2319,7 @@ bool NativeKey::HandleAppCommandMessage() const {
           gKeyLog, LogLevel::Info,
           ("%p   NativeKey::HandleAppCommandMessage(), dispatching %s event...",
            this, ToChar(contentCommandMessage)));
-      mWidget->DispatchWindowEvent(&contentCommandEvent);
+      mWidget->DispatchWindowEvent(contentCommandEvent);
       MOZ_LOG(gKeyLog, LogLevel::Info,
               ("%p   NativeKey::HandleAppCommandMessage(), dispatched %s event",
                this, ToChar(contentCommandMessage)));
diff --git a/widget/windows/TSFTextStore.cpp b/widget/windows/TSFTextStore.cpp
index 177d11c92ba4..643eef8c5a82 100644
--- a/widget/windows/TSFTextStore.cpp
+++ b/widget/windows/TSFTextStore.cpp
@@ -2260,7 +2260,7 @@ void TSFTextStore::DispatchEvent(WidgetGUIEvent& aEvent) {
   if (!aEvent.AsQueryContentEvent()) {
     mDeferNotifyingTSF = true;
   }
-  mWidget->DispatchWindowEvent(&aEvent);
+  mWidget->DispatchWindowEvent(aEvent);
 }
 
 void TSFTextStore::FlushPendingActions() {
diff --git a/widget/windows/WinIMEHandler.cpp b/widget/windows/WinIMEHandler.cpp
index 8d69c8d2aa56..f36b37460af5 100644
--- a/widget/windows/WinIMEHandler.cpp
+++ b/widget/windows/WinIMEHandler.cpp
@@ -1069,7 +1069,7 @@ bool IMEHandler::MaybeCreateNativeCaret(nsWindow* aWindow) {
   options.mRelativeToInsertionPoint = true;
   queryCaretRectEvent.InitForQueryCaretRect(0, options);
 
-  aWindow->DispatchWindowEvent(&queryCaretRectEvent);
+  aWindow->DispatchWindowEvent(queryCaretRectEvent);
   if (NS_WARN_IF(queryCaretRectEvent.Failed())) {
     return false;
   }
diff --git a/widget/windows/WinMouseScrollHandler.cpp b/widget/windows/WinMouseScrollHandler.cpp
index 09270622c24a..712f101cb494 100644
--- a/widget/windows/WinMouseScrollHandler.cpp
+++ b/widget/windows/WinMouseScrollHandler.cpp
@@ -1303,7 +1303,7 @@ bool MouseScrollHandler::Device::Elantech::HandleKeyMessage(
       // nullptr as an argument to indicate using the coordinate from the last
       // available window message.
       InitEvent(aWidget, appCommandEvent, nullptr);
-      aWidget->DispatchWindowEvent(&appCommandEvent);
+      aWidget->DispatchWindowEvent(appCommandEvent);
     } else {
       MOZ_LOG(gMouseScrollLog, LogLevel::Info,
               ("MouseScroll::Device::Elantech::HandleKeyMessage(): Consumed"));
diff --git a/widget/windows/nsWindow.cpp b/widget/windows/nsWindow.cpp
index bd717c2d9d0c..fdbfdf4d5a05 100644
--- a/widget/windows/nsWindow.cpp
+++ b/widget/windows/nsWindow.cpp
@@ -4292,7 +4292,7 @@ bool nsWindow::DispatchStandardEvent(EventMessage aMsg) {
   WidgetGUIEvent event(true, aMsg, this);
   InitEvent(event);
 
-  bool result = DispatchWindowEvent(&event);
+  bool result = DispatchWindowEvent(event);
   return result;
 }
 
@@ -4313,12 +4313,6 @@ bool nsWindow::DispatchWheelEvent(WidgetWheelEvent* aEvent) {
   return ConvertStatus(status);
 }
 
-bool nsWindow::DispatchWindowEvent(WidgetGUIEvent* event) {
-  nsEventStatus status;
-  DispatchEvent(event, status);
-  return ConvertStatus(status);
-}
-
 // Recursively dispatch synchronous paints for nsIWidget
 // descendants with invalidated rectangles.
 BOOL CALLBACK nsWindow::DispatchStarvedPaints(HWND aWnd, LPARAM aMsg) {
@@ -4707,10 +4701,6 @@ bool nsWindow::IsTopLevelMouseExit(HWND aWnd) {
   return WinUtils::GetTopLevelHWND(aWnd) != mouseTopLevel;
 }
 
-bool nsWindow::ConvertStatus(nsEventStatus aStatus) {
-  return aStatus == nsEventStatus_eConsumeNoDefault;
-}
-
 /**************************************************************
  *
  * SECTION: IPC
@@ -6149,38 +6139,38 @@ bool nsWindow::ProcessMessage(UINT msg, WPARAM& wParam, LPARAM& lParam,
 
     case WM_CLEAR: {
       WidgetContentCommandEvent command(true, eContentCommandDelete, this);
-      DispatchWindowEvent(&command);
+      DispatchWindowEvent(command);
       result = true;
     } break;
 
     case WM_CUT: {
       WidgetContentCommandEvent command(true, eContentCommandCut, this);
-      DispatchWindowEvent(&command);
+      DispatchWindowEvent(command);
       result = true;
     } break;
 
     case WM_COPY: {
       WidgetContentCommandEvent command(true, eContentCommandCopy, this);
-      DispatchWindowEvent(&command);
+      DispatchWindowEvent(command);
       result = true;
     } break;
 
     case WM_PASTE: {
       WidgetContentCommandEvent command(true, eContentCommandPaste, this);
-      DispatchWindowEvent(&command);
+      DispatchWindowEvent(command);
       result = true;
     } break;
 
     case EM_UNDO: {
       WidgetContentCommandEvent command(true, eContentCommandUndo, this);
-      DispatchWindowEvent(&command);
+      DispatchWindowEvent(command);
       *aRetValue = (LRESULT)(command.mSucceeded && command.mIsEnabled);
       result = true;
     } break;
 
     case EM_REDO: {
       WidgetContentCommandEvent command(true, eContentCommandRedo, this);
-      DispatchWindowEvent(&command);
+      DispatchWindowEvent(command);
       *aRetValue = (LRESULT)(command.mSucceeded && command.mIsEnabled);
       result = true;
     } break;
@@ -6191,7 +6181,7 @@ bool nsWindow::ProcessMessage(UINT msg, WPARAM& wParam, LPARAM& lParam,
       if (wParam == 0 || wParam == CF_TEXT || wParam == CF_UNICODETEXT) {
         WidgetContentCommandEvent command(true, eContentCommandPaste, this,
                                           true);
-        DispatchWindowEvent(&command);
+        DispatchWindowEvent(command);
         *aRetValue = (LRESULT)(command.mSucceeded && command.mIsEnabled);
         result = true;
       }
@@ -6199,14 +6189,14 @@ bool nsWindow::ProcessMessage(UINT msg, WPARAM& wParam, LPARAM& lParam,
 
     case EM_CANUNDO: {
       WidgetContentCommandEvent command(true, eContentCommandUndo, this, true);
-      DispatchWindowEvent(&command);
+      DispatchWindowEvent(command);
       *aRetValue = (LRESULT)(command.mSucceeded && command.mIsEnabled);
       result = true;
     } break;
 
     case EM_CANREDO: {
       WidgetContentCommandEvent command(true, eContentCommandRedo, this, true);
-      DispatchWindowEvent(&command);
+      DispatchWindowEvent(command);
       *aRetValue = (LRESULT)(command.mSucceeded && command.mIsEnabled);
       result = true;
     } break;
diff --git a/widget/windows/nsWindow.h b/widget/windows/nsWindow.h
index 1de0af5e0177..7f02ab994a08 100644
--- a/widget/windows/nsWindow.h
+++ b/widget/windows/nsWindow.h
@@ -120,7 +120,6 @@ class nsWindow final : public nsWindowBase {
   virtual void InitEvent(mozilla::WidgetGUIEvent& aEvent,
                          LayoutDeviceIntPoint* aPoint = nullptr) override;
   virtual WidgetEventTime CurrentMessageWidgetEventTime() const override;
-  virtual bool DispatchWindowEvent(mozilla::WidgetGUIEvent* aEvent) override;
   virtual bool DispatchKeyboardEvent(
       mozilla::WidgetKeyboardEvent* aEvent) override;
   virtual bool DispatchWheelEvent(mozilla::WidgetWheelEvent* aEvent) override;
@@ -455,8 +454,6 @@ class nsWindow final : public nsWindowBase {
   static bool EventIsInsideWindow(
       nsWindow* aWindow,
       mozilla::Maybe<POINT> aEventPoint = mozilla::Nothing());
-  // Convert nsEventStatus value to a windows boolean
-  static bool ConvertStatus(nsEventStatus aStatus);
   static void PostSleepWakeNotification(const bool aIsSleepMode);
   int32_t ClientMarginHitTestPoint(int32_t mx, int32_t my);
   void SetWindowButtonRect(WindowButtonType aButtonType,
diff --git a/widget/windows/nsWindowBase.h b/widget/windows/nsWindowBase.h
index b5934f1a1b04..aa2891428b2b 100644
--- a/widget/windows/nsWindowBase.h
+++ b/widget/windows/nsWindowBase.h
@@ -52,12 +52,6 @@ class nsWindowBase : public nsBaseWidget {
    */
   virtual WidgetEventTime CurrentMessageWidgetEventTime() const = 0;
 
-  /*
-   * Dispatch a gecko event for this widget.
-   * Returns true if it's consumed.  Otherwise, false.
-   */
-  virtual bool DispatchWindowEvent(mozilla::WidgetGUIEvent* aEvent) = 0;
-
   /*
    * Dispatch a gecko keyboard event for this widget. This
    * is called by KeyboardLayout to dispatch gecko events.