diff --git a/gfx/gl/GLContext.h b/gfx/gl/GLContext.h
index b109b782578c..38b26722f416 100644
--- a/gfx/gl/GLContext.h
+++ b/gfx/gl/GLContext.h
@@ -32,6 +32,7 @@
 #include "nsRegion.h"
 #include "nsAutoPtr.h"
 #include "nsThreadUtils.h"
+#include "GLContextTypes.h"
 
 typedef char realGLboolean;
 
@@ -55,24 +56,6 @@ class GLContext;
 
 typedef uintptr_t SharedTextureHandle;
 
-enum ShaderProgramType {
-    RGBALayerProgramType,
-    RGBALayerExternalProgramType,
-    BGRALayerProgramType,
-    RGBXLayerProgramType,
-    BGRXLayerProgramType,
-    RGBARectLayerProgramType,
-    RGBAExternalLayerProgramType,
-    ColorLayerProgramType,
-    YCbCrLayerProgramType,
-    ComponentAlphaPass1ProgramType,
-    ComponentAlphaPass2ProgramType,
-    Copy2DProgramType,
-    Copy2DRectProgramType,
-    NumProgramTypes
-};
-
-
 /**
  * A TextureImage encapsulates a surface that can be drawn to by a
  * Thebes gfxContext and (hopefully efficiently!) synchronized to a
diff --git a/gfx/gl/GLContextTypes.h b/gfx/gl/GLContextTypes.h
new file mode 100644
index 000000000000..948c67933a2a
--- /dev/null
+++ b/gfx/gl/GLContextTypes.h
@@ -0,0 +1,42 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GLCONTEXTSTUFF_H_
+#define GLCONTEXTSTUFF_H_
+
+/**
+ * We don't include GLDefs.h here since we don't want to drag in all defines
+ * in for all our users.
+ */
+typedef unsigned int GLenum;
+typedef unsigned int GLbitfield;
+typedef unsigned int GLuint;
+typedef int GLint;
+typedef int GLsizei;
+
+namespace mozilla {
+namespace gl {
+
+enum ShaderProgramType {
+    RGBALayerProgramType,
+    RGBALayerExternalProgramType,
+    BGRALayerProgramType,
+    RGBXLayerProgramType,
+    BGRXLayerProgramType,
+    RGBARectLayerProgramType,
+    RGBAExternalLayerProgramType,
+    ColorLayerProgramType,
+    YCbCrLayerProgramType,
+    ComponentAlphaPass1ProgramType,
+    ComponentAlphaPass2ProgramType,
+    Copy2DProgramType,
+    Copy2DRectProgramType,
+    NumProgramTypes
+};
+
+} // namespace gl
+} // namespace mozilla
+
+#endif /* GLCONTEXTSTUFF_H_ */
diff --git a/gfx/gl/Makefile.in b/gfx/gl/Makefile.in
index 4d8928ee8f8a..e3729a278007 100644
--- a/gfx/gl/Makefile.in
+++ b/gfx/gl/Makefile.in
@@ -18,6 +18,7 @@ FAIL_ON_WARNINGS = 1
 EXPORTS	= \
 	GLDefs.h \
 	GLContext.h \
+	GLContextTypes.h \
 	GLContextSymbols.h \
 	GLContextProvider.h \
 	GLContextProviderImpl.h \
diff --git a/gfx/layers/opengl/LayerManagerOGL.cpp b/gfx/layers/opengl/LayerManagerOGL.cpp
index 7f794318f349..21afd011e224 100644
--- a/gfx/layers/opengl/LayerManagerOGL.cpp
+++ b/gfx/layers/opengl/LayerManagerOGL.cpp
@@ -3,13 +3,14 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+#include "LayerManagerOGL.h"
+
 #include "mozilla/layers/PLayers.h"
 
 /* This must occur *after* layers/PLayers.h to avoid typedefs conflicts. */
 #include "mozilla/Util.h"
 
 #include "Composer2D.h"
-#include "LayerManagerOGL.h"
 #include "ThebesLayerOGL.h"
 #include "ContainerLayerOGL.h"
 #include "ImageLayerOGL.h"
@@ -52,6 +53,91 @@ using namespace mozilla::gl;
 int ShaderProgramOGL::sCurrentProgramKey = 0;
 #endif
 
+bool
+LayerManagerOGL::Initialize(bool force)
+{
+  return Initialize(CreateContext(), force);
+}
+
+int32_t
+LayerManagerOGL::GetMaxTextureSize() const
+{
+  return mGLContext->GetMaxTextureSize();
+}
+
+void
+LayerManagerOGL::MakeCurrent(bool aForce)
+{
+  if (mDestroyed) {
+    NS_WARNING("Call on destroyed layer manager");
+    return;
+  }
+  mGLContext->MakeCurrent(aForce);
+}
+
+void*
+LayerManagerOGL::GetNSOpenGLContext() const
+{
+  return gl()->GetNativeData(GLContext::NativeGLContext);
+}
+
+
+void
+LayerManagerOGL::BindQuadVBO() {
+  mGLContext->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, mQuadVBO);
+}
+
+void
+LayerManagerOGL::QuadVBOVerticesAttrib(GLuint aAttribIndex) {
+  mGLContext->fVertexAttribPointer(aAttribIndex, 2,
+                                   LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0,
+                                   (GLvoid*) QuadVBOVertexOffset());
+}
+
+void
+LayerManagerOGL::QuadVBOTexCoordsAttrib(GLuint aAttribIndex) {
+  mGLContext->fVertexAttribPointer(aAttribIndex, 2,
+                                   LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0,
+                                   (GLvoid*) QuadVBOTexCoordOffset());
+}
+
+void
+LayerManagerOGL::QuadVBOFlippedTexCoordsAttrib(GLuint aAttribIndex) {
+  mGLContext->fVertexAttribPointer(aAttribIndex, 2,
+                                   LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0,
+                                   (GLvoid*) QuadVBOFlippedTexCoordOffset());
+}
+
+// Super common
+
+void
+LayerManagerOGL::BindAndDrawQuad(GLuint aVertAttribIndex,
+                     GLuint aTexCoordAttribIndex,
+                     bool aFlipped)
+{
+  BindQuadVBO();
+  QuadVBOVerticesAttrib(aVertAttribIndex);
+
+  if (aTexCoordAttribIndex != GLuint(-1)) {
+    if (aFlipped)
+      QuadVBOFlippedTexCoordsAttrib(aTexCoordAttribIndex);
+    else
+      QuadVBOTexCoordsAttrib(aTexCoordAttribIndex);
+
+    mGLContext->fEnableVertexAttribArray(aTexCoordAttribIndex);
+  }
+
+  mGLContext->fEnableVertexAttribArray(aVertAttribIndex);
+
+  mGLContext->fDrawArrays(LOCAL_GL_TRIANGLE_STRIP, 0, 4);
+
+  mGLContext->fDisableVertexAttribArray(aVertAttribIndex);
+
+  if (aTexCoordAttribIndex != GLuint(-1)) {
+    mGLContext->fDisableVertexAttribArray(aTexCoordAttribIndex);
+  }
+}
+
 static const double kFpsWindowMs = 250.0;
 static const size_t kNumFrameTimeStamps = 16;
 struct FPSCounter {
diff --git a/gfx/layers/opengl/LayerManagerOGL.h b/gfx/layers/opengl/LayerManagerOGL.h
index 623e009e0e64..78059d36a8c9 100644
--- a/gfx/layers/opengl/LayerManagerOGL.h
+++ b/gfx/layers/opengl/LayerManagerOGL.h
@@ -9,31 +9,23 @@
 #include "LayerManagerOGLProgram.h"
 
 #include "mozilla/layers/ShadowLayers.h"
-
 #include "mozilla/TimeStamp.h"
 
 #ifdef XP_WIN
 #include <windows.h>
 #endif
 
-/**
- * We don't include GLDefs.h here since we don't want to drag in all defines
- * in for all our users.
- */
-typedef unsigned int GLenum;
-typedef unsigned int GLbitfield;
-typedef unsigned int GLuint;
-typedef int GLint;
-typedef int GLsizei;
-
 #define BUFFER_OFFSET(i) ((char *)NULL + (i))
 
 #include "gfxContext.h"
 #include "gfx3DMatrix.h"
 #include "nsIWidget.h"
-#include "GLContext.h"
+#include "GLContextTypes.h"
 
 namespace mozilla {
+namespace gl {
+class GLContext;
+}
 namespace layers {
 
 class Composer2D;
@@ -71,9 +63,7 @@ public:
    *
    * \return True is initialization was succesful, false when it was not.
    */
-  bool Initialize(bool force = false) {
-    return Initialize(CreateContext(), force);
-  }
+  bool Initialize(bool force = false);
 
   bool Initialize(nsRefPtr<GLContext> aContext, bool force = false);
 
@@ -110,18 +100,14 @@ public:
 
   virtual void SetRoot(Layer* aLayer) { mRoot = aLayer; }
 
-  virtual bool CanUseCanvasLayerForSize(const gfxIntSize &aSize)
-  {
-      if (!mGLContext)
-          return false;
-      int32_t maxSize = mGLContext->GetMaxTextureSize();
-      return aSize <= gfxIntSize(maxSize, maxSize);
+  virtual bool CanUseCanvasLayerForSize(const gfxIntSize &aSize) {
+    if (!mGLContext)
+      return false;
+    int32_t maxSize = GetMaxTextureSize();
+    return aSize <= gfxIntSize(maxSize, maxSize);
   }
 
-  virtual int32_t GetMaxTextureSize() const
-  {
-    return mGLContext->GetMaxTextureSize();
-  }
+  virtual int32_t GetMaxTextureSize() const;
 
   virtual already_AddRefed<ThebesLayer> CreateThebesLayer();
 
@@ -151,13 +137,7 @@ public:
   /**
    * Helper methods.
    */
-  void MakeCurrent(bool aForce = false) {
-    if (mDestroyed) {
-      NS_WARNING("Call on destroyed layer manager");
-      return;
-    }
-    mGLContext->MakeCurrent(aForce);
-  }
+  void MakeCurrent(bool aForce = false);
 
   ShaderProgramOGL* GetBasicLayerProgram(bool aOpaque, bool aIsRGB,
                                          MaskType aMask = MaskNone)
@@ -203,6 +183,9 @@ public:
 
   GLContext* gl() const { return mGLContext; }
 
+  // |NSOpenGLContext*|:
+  void* GetNSOpenGLContext() const;
+
   DrawThebesLayerCallback GetThebesLayerCallback() const
   { return mThebesLayerCallback; }
 
@@ -254,56 +237,15 @@ public:
   GLintptr QuadVBOTexCoordOffset() { return sizeof(float)*4*2; }
   GLintptr QuadVBOFlippedTexCoordOffset() { return sizeof(float)*8*2; }
 
-  void BindQuadVBO() {
-    mGLContext->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, mQuadVBO);
-  }
-
-  void QuadVBOVerticesAttrib(GLuint aAttribIndex) {
-    mGLContext->fVertexAttribPointer(aAttribIndex, 2,
-                                     LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0,
-                                     (GLvoid*) QuadVBOVertexOffset());
-  }
-
-  void QuadVBOTexCoordsAttrib(GLuint aAttribIndex) {
-    mGLContext->fVertexAttribPointer(aAttribIndex, 2,
-                                     LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0,
-                                     (GLvoid*) QuadVBOTexCoordOffset());
-  }
-
-  void QuadVBOFlippedTexCoordsAttrib(GLuint aAttribIndex) {
-    mGLContext->fVertexAttribPointer(aAttribIndex, 2,
-                                     LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0,
-                                     (GLvoid*) QuadVBOFlippedTexCoordOffset());
-  }
+  void BindQuadVBO();
+  void QuadVBOVerticesAttrib(GLuint aAttribIndex);
+  void QuadVBOTexCoordsAttrib(GLuint aAttribIndex);
+  void QuadVBOFlippedTexCoordsAttrib(GLuint aAttribIndex);
 
   // Super common
-
   void BindAndDrawQuad(GLuint aVertAttribIndex,
                        GLuint aTexCoordAttribIndex,
-                       bool aFlipped = false)
-  {
-    BindQuadVBO();
-    QuadVBOVerticesAttrib(aVertAttribIndex);
-
-    if (aTexCoordAttribIndex != GLuint(-1)) {
-      if (aFlipped)
-        QuadVBOFlippedTexCoordsAttrib(aTexCoordAttribIndex);
-      else
-        QuadVBOTexCoordsAttrib(aTexCoordAttribIndex);
-
-      mGLContext->fEnableVertexAttribArray(aTexCoordAttribIndex);
-    }
-
-    mGLContext->fEnableVertexAttribArray(aVertAttribIndex);
-
-    mGLContext->fDrawArrays(LOCAL_GL_TRIANGLE_STRIP, 0, 4);
-
-    mGLContext->fDisableVertexAttribArray(aVertAttribIndex);
-
-    if (aTexCoordAttribIndex != GLuint(-1)) {
-      mGLContext->fDisableVertexAttribArray(aTexCoordAttribIndex);
-    }
-  }
+                       bool aFlipped = false);
 
   void BindAndDrawQuad(ShaderProgramOGL *aProg,
                        bool aFlipped = false)
diff --git a/gfx/layers/opengl/LayerManagerOGLProgram.cpp b/gfx/layers/opengl/LayerManagerOGLProgram.cpp
index 155b28870693..be62af9fe1d8 100644
--- a/gfx/layers/opengl/LayerManagerOGLProgram.cpp
+++ b/gfx/layers/opengl/LayerManagerOGLProgram.cpp
@@ -3,9 +3,12 @@
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "LayerManagerOGLProgram.h"
+
 #include "LayerManagerOGLShaders.h"
 #include "LayerManagerOGL.h"
 
+#include "GLContext.h"
+
 namespace mozilla {
 namespace layers {
 
@@ -227,6 +230,28 @@ ProgramProfileOGL::GetProfileFor(gl::ShaderProgramType aType,
 const char* const ShaderProgramOGL::VertexCoordAttrib = "aVertexCoord";
 const char* const ShaderProgramOGL::TexCoordAttrib = "aTexCoord";
 
+ShaderProgramOGL::ShaderProgramOGL(GLContext* aGL, const ProgramProfileOGL& aProfile)
+  : mIsProjectionMatrixStale(false)
+  , mGL(aGL)
+  , mProgram(0)
+  , mProfile(aProfile)
+  , mProgramState(STATE_NEW)
+{}
+
+ShaderProgramOGL::~ShaderProgramOGL()
+{
+  if (mProgram <= 0) {
+    return;
+  }
+
+  nsRefPtr<GLContext> ctx = mGL->GetSharedContext();
+  if (!ctx) {
+    ctx = mGL;
+  }
+  ctx->MakeCurrent();
+  ctx->fDeleteProgram(mProgram);
+}
+
 bool
 ShaderProgramOGL::Initialize()
 {
@@ -394,5 +419,87 @@ ShaderProgramOGL::LoadMask(Layer* aMaskLayer)
   return true;
 }
 
+void
+ShaderProgramOGL::Activate()
+{
+  if (mProgramState == STATE_NEW) {
+    if (!Initialize()) {
+      NS_WARNING("Shader could not be initialised");
+      return;
+    }
+  }
+  NS_ASSERTION(HasInitialized(), "Attempting to activate a program that's not in use!");
+  mGL->fUseProgram(mProgram);
+#if CHECK_CURRENT_PROGRAM
+  mGL->SetUserData(&sCurrentProgramKey, this);
+#endif
+  // check and set the projection matrix
+  if (mIsProjectionMatrixStale) {
+    SetProjectionMatrix(mProjectionMatrix);
+  }
+}
+
+
+void
+ShaderProgramOGL::SetUniform(GLint aLocation, float aFloatValue)
+{
+  ASSERT_THIS_PROGRAM;
+  NS_ASSERTION(aLocation >= 0, "Invalid location");
+
+  mGL->fUniform1f(aLocation, aFloatValue);
+}
+
+void
+ShaderProgramOGL::SetUniform(GLint aLocation, const gfxRGBA& aColor)
+{
+  ASSERT_THIS_PROGRAM;
+  NS_ASSERTION(aLocation >= 0, "Invalid location");
+
+  mGL->fUniform4f(aLocation, float(aColor.r), float(aColor.g), float(aColor.b), float(aColor.a));
+}
+
+void
+ShaderProgramOGL::SetUniform(GLint aLocation, int aLength, float *aFloatValues)
+{
+  ASSERT_THIS_PROGRAM;
+  NS_ASSERTION(aLocation >= 0, "Invalid location");
+
+  if (aLength == 1) {
+    mGL->fUniform1fv(aLocation, 1, aFloatValues);
+  } else if (aLength == 2) {
+    mGL->fUniform2fv(aLocation, 1, aFloatValues);
+  } else if (aLength == 3) {
+    mGL->fUniform3fv(aLocation, 1, aFloatValues);
+  } else if (aLength == 4) {
+    mGL->fUniform4fv(aLocation, 1, aFloatValues);
+  } else {
+    NS_NOTREACHED("Bogus aLength param");
+  }
+}
+
+void
+ShaderProgramOGL::SetUniform(GLint aLocation, GLint aIntValue)
+{
+  ASSERT_THIS_PROGRAM;
+  NS_ASSERTION(aLocation >= 0, "Invalid location");
+
+  mGL->fUniform1i(aLocation, aIntValue);
+}
+
+void
+ShaderProgramOGL::SetMatrixUniform(GLint aLocation, const gfx3DMatrix& aMatrix)
+{
+  SetMatrixUniform(aLocation, &aMatrix._11);
+}
+
+void
+ShaderProgramOGL::SetMatrixUniform(GLint aLocation, const float *aFloatValues)
+{
+  ASSERT_THIS_PROGRAM;
+  NS_ASSERTION(aLocation >= 0, "Invalid location");
+
+  mGL->fUniformMatrix4fv(aLocation, 1, false, aFloatValues);
+}
+
 } /* layers */
 } /* mozilla */
diff --git a/gfx/layers/opengl/LayerManagerOGLProgram.h b/gfx/layers/opengl/LayerManagerOGLProgram.h
index ac4a2151f9bb..f6ed2b7a64bb 100644
--- a/gfx/layers/opengl/LayerManagerOGLProgram.h
+++ b/gfx/layers/opengl/LayerManagerOGLProgram.h
@@ -10,11 +10,16 @@
 
 #include "prenv.h"
 
+#include "nsAutoPtr.h"
 #include "nsString.h"
-#include "GLContext.h"
+#include "GLContextTypes.h"
 #include "gfx3DMatrix.h"
+#include "gfxColor.h"
 
 namespace mozilla {
+namespace gl {
+class GLContext;
+}
 namespace layers {
 
 class Layer;
@@ -140,45 +145,16 @@ class ShaderProgramOGL
 public:
   typedef mozilla::gl::GLContext GLContext;
 
-  ShaderProgramOGL(GLContext* aGL, const ProgramProfileOGL& aProfile) :
-    mIsProjectionMatrixStale(false), mGL(aGL), mProgram(0),
-    mProfile(aProfile), mProgramState(STATE_NEW) { }
+  ShaderProgramOGL(GLContext* aGL, const ProgramProfileOGL& aProfile);
 
-  ~ShaderProgramOGL() {
-    if (mProgram <= 0) {
-      return;
-    }
-
-    nsRefPtr<GLContext> ctx = mGL->GetSharedContext();
-    if (!ctx) {
-      ctx = mGL;
-    }
-    ctx->MakeCurrent();
-    ctx->fDeleteProgram(mProgram);
-  }
+  ~ShaderProgramOGL();
 
   bool HasInitialized() {
     NS_ASSERTION(mProgramState != STATE_OK || mProgram > 0, "Inconsistent program state");
     return mProgramState == STATE_OK;
   }
 
-  void Activate() {
-    if (mProgramState == STATE_NEW) {
-      if (!Initialize()) {
-        NS_WARNING("Shader could not be initialised");
-        return;
-      }
-    }
-    NS_ASSERTION(HasInitialized(), "Attempting to activate a program that's not in use!");
-    mGL->fUseProgram(mProgram);
-#if CHECK_CURRENT_PROGRAM
-    mGL->SetUserData(&sCurrentProgramKey, this);
-#endif
-    // check and set the projection matrix
-    if (mIsProjectionMatrixStale) {
-      SetProjectionMatrix(mProjectionMatrix);
-    }
-  }
+  void Activate();
 
   bool Initialize();
 
@@ -329,54 +305,12 @@ protected:
   static int sCurrentProgramKey;
 #endif
 
-  void SetUniform(GLint aLocation, float aFloatValue) {
-    ASSERT_THIS_PROGRAM;
-    NS_ASSERTION(aLocation >= 0, "Invalid location");
-
-    mGL->fUniform1f(aLocation, aFloatValue);
-  }
-
-  void SetUniform(GLint aLocation, const gfxRGBA& aColor) {
-    ASSERT_THIS_PROGRAM;
-    NS_ASSERTION(aLocation >= 0, "Invalid location");
-
-    mGL->fUniform4f(aLocation, float(aColor.r), float(aColor.g), float(aColor.b), float(aColor.a));
-  }
-
-  void SetUniform(GLint aLocation, int aLength, float *aFloatValues) {
-    ASSERT_THIS_PROGRAM;
-    NS_ASSERTION(aLocation >= 0, "Invalid location");
-
-    if (aLength == 1) {
-      mGL->fUniform1fv(aLocation, 1, aFloatValues);
-    } else if (aLength == 2) {
-      mGL->fUniform2fv(aLocation, 1, aFloatValues);
-    } else if (aLength == 3) {
-      mGL->fUniform3fv(aLocation, 1, aFloatValues);
-    } else if (aLength == 4) {
-      mGL->fUniform4fv(aLocation, 1, aFloatValues);
-    } else {
-      NS_NOTREACHED("Bogus aLength param");
-    }
-  }
-
-  void SetUniform(GLint aLocation, GLint aIntValue) {
-    ASSERT_THIS_PROGRAM;
-    NS_ASSERTION(aLocation >= 0, "Invalid location");
-
-    mGL->fUniform1i(aLocation, aIntValue);
-  }
-
-  void SetMatrixUniform(GLint aLocation, const gfx3DMatrix& aMatrix) {
-    SetMatrixUniform(aLocation, &aMatrix._11);
-  }
-
-  void SetMatrixUniform(GLint aLocation, const float *aFloatValues) {
-    ASSERT_THIS_PROGRAM;
-    NS_ASSERTION(aLocation >= 0, "Invalid location");
-
-    mGL->fUniformMatrix4fv(aLocation, 1, false, aFloatValues);
-  }
+  void SetUniform(GLint aLocation, float aFloatValue);
+  void SetUniform(GLint aLocation, const gfxRGBA& aColor);
+  void SetUniform(GLint aLocation, int aLength, float *aFloatValues);
+  void SetUniform(GLint aLocation, GLint aIntValue);
+  void SetMatrixUniform(GLint aLocation, const gfx3DMatrix& aMatrix);
+  void SetMatrixUniform(GLint aLocation, const float *aFloatValues);
 };
 
 
diff --git a/gfx/layers/opengl/ReusableTileStoreOGL.cpp b/gfx/layers/opengl/ReusableTileStoreOGL.cpp
index 63e4d531785e..6c52f74c060f 100644
--- a/gfx/layers/opengl/ReusableTileStoreOGL.cpp
+++ b/gfx/layers/opengl/ReusableTileStoreOGL.cpp
@@ -4,6 +4,8 @@
 
 #include "ReusableTileStoreOGL.h"
 
+#include "GLContext.h"
+
 namespace mozilla {
 namespace layers {
 
diff --git a/widget/cocoa/nsChildView.mm b/widget/cocoa/nsChildView.mm
index e7ba09c2b627..0d6f08572e48 100644
--- a/widget/cocoa/nsChildView.mm
+++ b/widget/cocoa/nsChildView.mm
@@ -51,7 +51,6 @@
 #include "nsRegion.h"
 #include "Layers.h"
 #include "LayerManagerOGL.h"
-#include "GLContext.h"
 #include "mozilla/layers/CompositorCocoaWidgetHelper.h"
 #ifdef ACCESSIBILITY
 #include "nsAccessibilityService.h"
@@ -1692,8 +1691,7 @@ nsChildView::CreateCompositor()
     LayerManagerOGL *manager =
       static_cast<LayerManagerOGL*>(compositor::GetLayerManager(mCompositorParent));
 
-    NSOpenGLContext *glContext =
-      (NSOpenGLContext *) manager->gl()->GetNativeData(GLContext::NativeGLContext);
+    NSOpenGLContext *glContext = (NSOpenGLContext *)manager->GetNSOpenGLContext();
 
     [(ChildView *)mView setGLContext:glContext];
     [(ChildView *)mView setUsingOMTCompositor:true];
@@ -2457,7 +2455,7 @@ NSEvent* gLastDragMouseDownEvent = nil;
 
     LayerManagerOGL *manager = static_cast<LayerManagerOGL*>(layerManager);
     manager->SetClippingRegion(region);
-    glContext = (NSOpenGLContext *)manager->gl()->GetNativeData(mozilla::gl::GLContext::NativeGLContext);
+    glContext = (NSOpenGLContext *)manager->GetNSOpenGLContext();
 
     if (!mGLContext) {
       [self setGLContext:glContext];