Factor out cc::OutputSurface::InitializeAndSetContext3D

cc/output/output_surface.h

Index: cc/output/output_surface.h
diff --git a/cc/output/output_surface.h b/cc/output/output_surface.h
index d6f4b82ed8b64d9a9d81a87d52a5b0552746c852..c7910db77c6cc09a966de9b68163645e36f26fd7 100644
--- a/cc/output/output_surface.h
+++ b/cc/output/output_surface.h
@@ -105,14 +105,16 @@ class CC_EXPORT OutputSurface {
   virtual void SetNeedsBeginFrame(bool enable) {}
 
  protected:
+  bool InitializeAndSetContext3D(
+      scoped_ptr<WebKit::WebGraphicsContext3D> context3d);
+
   OutputSurfaceClient* client_;
   struct cc::OutputSurface::Capabilities capabilities_;
+  scoped_ptr<OutputSurfaceCallbacks> callbacks_;
   scoped_ptr<WebKit::WebGraphicsContext3D> context3d_;
   scoped_ptr<cc::SoftwareOutputDevice> software_device_;
   bool has_gl_discard_backbuffer_;
 
-  scoped_ptr<OutputSurfaceCallbacks> callbacks_;
-
  private:
   DISALLOW_COPY_AND_ASSIGN(OutputSurface);
 };