Early wait on texture resource sync points in gl_renderer.

cc/output/direct_renderer.h

Index: cc/output/direct_renderer.h
diff --git a/cc/output/direct_renderer.h b/cc/output/direct_renderer.h
index 1a84a87f59c211a4332a3d5e2434c214c431c4bc..4842aba172f9430aaa81e4a4a66d98d496365a2f 100644
--- a/cc/output/direct_renderer.h
+++ b/cc/output/direct_renderer.h
@@ -88,6 +88,7 @@ class CC_EXPORT DirectRenderer : public Renderer {
 
   static gfx::Size RenderPassTextureSize(const RenderPass* render_pass);
 
+  void PrelockRenderPass(DrawingFrame* frame, const RenderPass* render_pass);
   void DrawRenderPass(DrawingFrame* frame, const RenderPass* render_pass);
   bool UseRenderPass(DrawingFrame* frame, const RenderPass* render_pass);
 
@@ -101,6 +102,7 @@ class CC_EXPORT DirectRenderer : public Renderer {
                              bool draw_rect_covers_full_surface) = 0;
   virtual void ClearFramebuffer(DrawingFrame* frame,
                                 bool has_external_stencil_test) = 0;
+  virtual void DoPrelockQuad(DrawingFrame* frame, const DrawQuad* quad) = 0;
   virtual void DoDrawQuad(DrawingFrame* frame, const DrawQuad* quad) = 0;
   virtual void BeginDrawingFrame(DrawingFrame* frame) = 0;
   virtual void FinishDrawingFrame(DrawingFrame* frame) = 0;