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

webkit/compositor_bindings/web_layer_tree_view_impl_for_testing.h

Index: webkit/compositor_bindings/web_layer_tree_view_impl_for_testing.h
diff --git a/webkit/compositor_bindings/web_layer_tree_view_impl_for_testing.h b/webkit/compositor_bindings/web_layer_tree_view_impl_for_testing.h
index f84d3cc82d5c8c778518ca7976be9009d3ff63dc..1e94ef86fef5b19e5e15d1c98ca284b585f50d4a 100644
--- a/webkit/compositor_bindings/web_layer_tree_view_impl_for_testing.h
+++ b/webkit/compositor_bindings/web_layer_tree_view_impl_for_testing.h
@@ -76,11 +76,20 @@ class WebLayerTreeViewImplForTesting : public WebKit::WebLayerTreeView,
   virtual void didCommitAndDrawFrame() OVERRIDE;
   virtual void didCompleteSwapBuffers() OVERRIDE;
   virtual void scheduleComposite() OVERRIDE;
+  virtual scoped_refptr<ui::ContextProvider>
+      OffscreenContextProviderForMainThread() OVERRIDE;
+  virtual scoped_refptr<ui::ContextProvider>
+      OffscreenContextProviderForCompositorThread() OVERRIDE;
 
  private:
   RenderingType type_;
   WebKit::WebLayerTreeViewClient* client_;
   scoped_ptr<cc::LayerTreeHost> layer_tree_host_;
+
+  class MainThreadContextProvider;
+  scoped_refptr<MainThreadContextProvider> contexts_main_thread_;
+  class CompositorThreadContextProvider;
+  scoped_refptr<CompositorThreadContextProvider> contexts_compositor_thread_;
 };
 
 }  // namespace Web_kit