Plumb overlay processing into DirectRenderer.

cc/test/test_context_support.h

Index: cc/test/test_context_support.h
diff --git a/cc/test/test_context_support.h b/cc/test/test_context_support.h
index 7ae657c15d2189f01d0ab0d33b88c3ea5cd81697..9aaee6a419157f0462c201bcfcc03b35a1b18543 100644
--- a/cc/test/test_context_support.h
+++ b/cc/test/test_context_support.h
@@ -29,6 +29,11 @@ class TestContextSupport : public gpu::ContextSupport {
   virtual void PartialSwapBuffers(const gfx::Rect& sub_buffer) OVERRIDE;
   virtual void SetSwapBuffersCompleteCallback(
       const base::Closure& callback) OVERRIDE;
+  virtual void ScheduleOverlayPlane(int plane_z_order,
+                                    unsigned plane_transform,
+                                    unsigned overlay_texture_id,
+                                    const gfx::Rect& display_bounds,
+                                    gfx::RectF uv_rect) OVERRIDE;
 
   void CallAllSyncPointCallbacks();
 
@@ -36,6 +41,14 @@ class TestContextSupport : public gpu::ContextSupport {
   void SetSurfaceVisibleCallback(
       const SurfaceVisibleCallback& set_visible_callback);
 
+  typedef base::Callback<void(int plane_z_order,
+                              unsigned plane_transform,
+                              unsigned overlay_texture_id,
+                              const gfx::Rect& display_bounds,
+                              gfx::RectF uv_rect)> ScheduleOverlayPlaneCallback;
+  void SetScheduleOverlayPlaneCallback(
+      const ScheduleOverlayPlaneCallback& schedule_overlay_plane_callback);
+
   enum SwapType {
     NO_SWAP,
     SWAP,
@@ -52,6 +65,7 @@ class TestContextSupport : public gpu::ContextSupport {
 
   std::vector<base::Closure> sync_point_callbacks_;
   SurfaceVisibleCallback set_visible_callback_;
+  ScheduleOverlayPlaneCallback schedule_overlay_plane_callback_;
 
   base::Closure swap_buffers_complete_callback_;