cc: Defer first OutputSurface creation until client is ready

cc/test/fake_proxy.h

Index: cc/test/fake_proxy.h
diff --git a/cc/test/fake_proxy.h b/cc/test/fake_proxy.h
index bcde11ecb75180c25d74b9cde377c6e991828bbe..50595aeaddf2b34a9b2015475ee9a2237f3e09a0 100644
--- a/cc/test/fake_proxy.h
+++ b/cc/test/fake_proxy.h
@@ -24,7 +24,8 @@ class FakeProxy : public Proxy {
   virtual bool CompositeAndReadback(void* pixels, gfx::Rect rect) OVERRIDE;
   virtual void FinishAllRendering() OVERRIDE {}
   virtual bool IsStarted() const OVERRIDE;
-  virtual void SetLayerTreeHostClientReady() OVERRIDE {}
+  virtual void SetLayerTreeHostClientReady(
+      scoped_ptr<OutputSurface> first_output_surface) OVERRIDE {}
   virtual void SetVisible(bool visible) OVERRIDE {}
   virtual void CreateAndInitializeOutputSurface() OVERRIDE;
   virtual const RendererCapabilities& GetRendererCapabilities() const OVERRIDE;
@@ -38,7 +39,7 @@ class FakeProxy : public Proxy {
   virtual void MainThreadHasStoppedFlinging() OVERRIDE {}
   virtual bool BeginMainFrameRequested() const OVERRIDE;
   virtual bool CommitRequested() const OVERRIDE;
-  virtual void Start(scoped_ptr<OutputSurface> first_output_surface) OVERRIDE {}
+  virtual void Start() OVERRIDE {}
   virtual void Stop() OVERRIDE {}
   virtual void ForceSerializeOnSwapBuffers() OVERRIDE {}
   virtual size_t MaxPartialTextureUpdates() const OVERRIDE;