Aura: Keep scheduling in line with other platforms.

content/common/gpu/texture_image_transport_surface.h

Index: content/common/gpu/texture_image_transport_surface.h
diff --git a/content/common/gpu/texture_image_transport_surface.h b/content/common/gpu/texture_image_transport_surface.h
index 19ed88c32fb7615465c99c72611cf0ac3d800e15..fd49508906bd36fc51f8a9b114821f4f66c0ed08 100644
--- a/content/common/gpu/texture_image_transport_surface.h
+++ b/content/common/gpu/texture_image_transport_surface.h
@@ -27,6 +27,7 @@ class TextureImageTransportSurface :
   // gfx::GLSurface implementation.
   virtual bool Initialize() OVERRIDE;
   virtual void Destroy() OVERRIDE;
+  virtual bool DeferDraws() OVERRIDE;
   virtual bool Resize(const gfx::Size& size) OVERRIDE;
   virtual bool IsOffscreen() OVERRIDE;
   virtual bool SwapBuffers() OVERRIDE;
@@ -114,6 +115,12 @@ class TextureImageTransportSurface :
   // the actual rendering is always redirected to an FBO.
   scoped_refptr<GLSurface> surface_;
 
+  // Whether a SwapBuffers is pending.
+  bool is_swap_buffers_pending_;
+
+  // Whether we unscheduled command buffer because of pending SwapBuffers.
+  bool did_unschedule_;
+
   DISALLOW_COPY_AND_ASSIGN(TextureImageTransportSurface);
 };