cc: Route offscreen context creation for compositor to the browser.

content/browser/renderer_host/compositor_impl_android.h

Index: content/browser/renderer_host/compositor_impl_android.h
diff --git a/content/browser/renderer_host/compositor_impl_android.h b/content/browser/renderer_host/compositor_impl_android.h
index a3b728e559b9098c8a3b8a100bcf79dcf5a877d6..e6ca586c70dc47b2500f3e5ed96bbc2075c16562 100644
--- a/content/browser/renderer_host/compositor_impl_android.h
+++ b/content/browser/renderer_host/compositor_impl_android.h
@@ -70,6 +70,12 @@ class CONTENT_EXPORT CompositorImpl
   virtual void applyScrollAndScale(gfx::Vector2d scrollDelta,
                                    float pageScale) OVERRIDE;
   virtual scoped_ptr<cc::OutputSurface> createOutputSurface() OVERRIDE;
+  virtual WebKit::WebGraphicsContext3D* OffscreenContext3dForMainThread()
+      OVERRIDE;
+  virtual WebKit::WebGraphicsContext3D* OffscreenContext3dForCompositorThread()
+      OVERRIDE;
+  virtual GrContext* OffscreenGrContextForMainThread() OVERRIDE;
+  virtual GrContext* OffscreenGrContextForCompositorThread() OVERRIDE;
   virtual scoped_ptr<cc::InputHandler> createInputHandler() OVERRIDE;
   virtual void didRecreateOutputSurface(bool success) OVERRIDE;
   virtual void willCommit() OVERRIDE {}