diff --git a/dom/ipc/ContentChild.cpp b/dom/ipc/ContentChild.cpp
index f09cd505f7e5..9c289dd6a5f1 100644
--- a/dom/ipc/ContentChild.cpp
+++ b/dom/ipc/ContentChild.cpp
@@ -1213,7 +1213,7 @@ ContentChild::RecvAddPermission(const IPC::Permission& permission)
 }
 
 bool
-ContentChild::RecvScreenSizeChanged(const gfxIntSize& size)
+ContentChild::RecvScreenSizeChanged(const gfx::IntSize& size)
 {
 #ifdef ANDROID
     mScreenSize = size;
diff --git a/dom/ipc/ContentChild.h b/dom/ipc/ContentChild.h
index 4f15636a89ce..1bbd5cecc64c 100644
--- a/dom/ipc/ContentChild.h
+++ b/dom/ipc/ContentChild.h
@@ -191,7 +191,7 @@ public:
 
     virtual bool RecvAddPermission(const IPC::Permission& permission);
 
-    virtual bool RecvScreenSizeChanged(const gfxIntSize &size);
+    virtual bool RecvScreenSizeChanged(const gfx::IntSize &size);
 
     virtual bool RecvFlushMemory(const nsString& reason);
 
@@ -227,7 +227,7 @@ public:
 
     virtual bool RecvNotifyPhoneStateChange(const nsString& state);
 #ifdef ANDROID
-    gfxIntSize GetScreenSize() { return mScreenSize; }
+    gfx::IntSize GetScreenSize() { return mScreenSize; }
 #endif
 
     // Get the directory for IndexedDB files. We query the parent for this and
@@ -272,7 +272,7 @@ private:
     AppInfo mAppInfo;
 
 #ifdef ANDROID
-    gfxIntSize mScreenSize;
+    gfx::IntSize mScreenSize;
 #endif
 
     bool mIsForApp;
diff --git a/dom/ipc/PContent.ipdl b/dom/ipc/PContent.ipdl
index 2a41c12d4418..821bb05b08fc 100644
--- a/dom/ipc/PContent.ipdl
+++ b/dom/ipc/PContent.ipdl
@@ -55,7 +55,7 @@ using mozilla::dom::AudioChannelState;
 using mozilla::dom::BlobConstructorParams;
 using mozilla::dom::NativeThreadId;
 using mozilla::hal::ProcessPriority;
-using gfxIntSize;
+using mozilla::gfx::IntSize;
 
 namespace mozilla {
 namespace dom {
@@ -287,13 +287,13 @@ child:
     // nsIPermissionManager messages
     AddPermission(Permission permission);
 
-    ScreenSizeChanged(gfxIntSize size);
+    ScreenSizeChanged(IntSize size);
 
     FlushMemory(nsString reason);
 
     GarbageCollect();
     CycleCollect();
-    
+
     /**
      * Start accessibility engine in content process.
      */
diff --git a/gfx/layers/ipc/ShadowLayerUtilsX11.cpp b/gfx/layers/ipc/ShadowLayerUtilsX11.cpp
index 90d92683595e..d208542550e9 100644
--- a/gfx/layers/ipc/ShadowLayerUtilsX11.cpp
+++ b/gfx/layers/ipc/ShadowLayerUtilsX11.cpp
@@ -29,6 +29,7 @@
 #include "nsCOMPtr.h"                   // for already_AddRefed
 #include "nsDebug.h"                    // for NS_ERROR
 #include "prenv.h"                      // for PR_GetEnv
+#include "gfx2DGlue.h"
 
 using namespace mozilla::gl;
 
@@ -115,7 +116,7 @@ SurfaceDescriptorX11::OpenForeign() const
 }
 
 bool
-ISurfaceAllocator::PlatformAllocSurfaceDescriptor(const gfxIntSize& aSize,
+ISurfaceAllocator::PlatformAllocSurfaceDescriptor(const gfx::IntSize& aSize,
                                                   gfxContentType aContent,
                                                   uint32_t aCaps,
                                                   SurfaceDescriptor* aBuffer)
@@ -133,7 +134,8 @@ ISurfaceAllocator::PlatformAllocSurfaceDescriptor(const gfxIntSize& aSize,
   }
 
   gfxPlatform* platform = gfxPlatform::GetPlatform();
-  nsRefPtr<gfxASurface> buffer = platform->CreateOffscreenSurface(aSize, aContent);
+  nsRefPtr<gfxASurface> buffer = platform->CreateOffscreenSurface(ThebesIntSize(aSize),
+                                                                  aContent);
   if (!buffer ||
       buffer->GetType() != gfxSurfaceTypeXlib) {
     NS_ERROR("creating Xlib front/back surfaces failed!");
diff --git a/widget/android/nsScreenManagerAndroid.cpp b/widget/android/nsScreenManagerAndroid.cpp
index 95facf8d39a5..cfdaad4eaa61 100644
--- a/widget/android/nsScreenManagerAndroid.cpp
+++ b/widget/android/nsScreenManagerAndroid.cpp
@@ -8,6 +8,7 @@
 #include "nsScreenManagerAndroid.h"
 #include "nsWindow.h"
 #include "AndroidBridge.h"
+#include "mozilla/gfx/Point.h"
 
 using namespace mozilla;
 
@@ -22,7 +23,7 @@ nsScreenAndroid::~nsScreenAndroid()
 NS_IMETHODIMP
 nsScreenAndroid::GetRect(int32_t *outLeft, int32_t *outTop, int32_t *outWidth, int32_t *outHeight)
 {
-    gfxIntSize sz = nsWindow::GetAndroidScreenBounds();
+    gfx::IntSize sz = nsWindow::GetAndroidScreenBounds();
 
     *outLeft = 0;
     *outTop = 0;
diff --git a/widget/android/nsWindow.cpp b/widget/android/nsWindow.cpp
index 52f1fcc6e23d..cc3e1011808e 100644
--- a/widget/android/nsWindow.cpp
+++ b/widget/android/nsWindow.cpp
@@ -58,6 +58,7 @@ using mozilla::unused;
 
 #include "nsString.h"
 #include "GeckoProfiler.h" // For PROFILER_LABEL
+#include "mozilla/gfx/Point.h"
 
 using namespace mozilla;
 using namespace mozilla::dom;
@@ -68,7 +69,7 @@ NS_IMPL_ISUPPORTS_INHERITED0(nsWindow, nsBaseWidget)
 
 // The dimensions of the current android view
 static gfxIntSize gAndroidBounds = gfxIntSize(0, 0);
-static gfxIntSize gAndroidScreenBounds;
+static mozilla::gfx::IntSize gAndroidScreenBounds;
 
 #include "mozilla/layers/AsyncPanZoomController.h"
 #include "mozilla/layers/CompositorChild.h"
@@ -1141,7 +1142,7 @@ nsWindow::InitEvent(WidgetGUIEvent& event, nsIntPoint* aPoint)
     event.time = PR_Now() / 1000;
 }
 
-gfxIntSize
+mozilla::gfx::IntSize
 nsWindow::GetAndroidScreenBounds()
 {
     if (XRE_GetProcessType() == GeckoProcessType_Content) {
diff --git a/widget/android/nsWindow.h b/widget/android/nsWindow.h
index 0baddd5ae3f1..34387008b891 100644
--- a/widget/android/nsWindow.h
+++ b/widget/android/nsWindow.h
@@ -7,7 +7,7 @@
 #define NSWINDOW_H_
 
 #include "nsBaseWidget.h"
-#include "gfxPoint.h"
+#include "mozilla/gfx/Point.h"
 #include "nsIIdleServiceInternal.h"
 #include "nsTArray.h"
 #include "AndroidJavaWrappers.h"
@@ -42,7 +42,7 @@ public:
     NS_DECL_ISUPPORTS_INHERITED
 
     static void OnGlobalAndroidEvent(mozilla::AndroidGeckoEvent *ae);
-    static gfxIntSize GetAndroidScreenBounds();
+    static mozilla::gfx::IntSize GetAndroidScreenBounds();
     static nsWindow* TopWindow();
 
     nsWindow* FindWindowForPoint(const nsIntPoint& pt);