Mac Overlays: Plumb through GL solid color overlay support

content/common/gpu/image_transport_surface_overlay_mac.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_OVERLAY_MAC_H_
 #define CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_OVERLAY_MAC_H_
 
 #include <list>
 #include <vector>
 
@@ skipping 27 matching lines @@
   bool SupportsPostSubBuffer() override;
   gfx::Size GetSize() override;
   void* GetHandle() override;
   bool OnMakeCurrent(gfx::GLContext* context) override;
   bool SetBackbufferAllocation(bool allocated) override;
   bool ScheduleOverlayPlane(int z_order,
                             gfx::OverlayTransform transform,
                             gfx::GLImage* image,
                             const gfx::Rect& bounds_rect,
                             const gfx::RectF& crop_rect) override;
+  bool ScheduleSolidColorOverlayPlane(int z_order,
+                                      const gfx::Rect& bounds_rect,
+                                      float red,
+                                      float green,
+                                      float blue,
+                                      float alpha) override;
   bool IsSurfaceless() const override;
 
   // ImageTransportSurface implementation
   void OnBufferPresented(
       const AcceleratedSurfaceMsg_BufferPresented_Params& params) override;
   void OnResize(gfx::Size pixel_size, float scale_factor) override;
   void SetLatencyInfo(const std::vector<ui::LatencyInfo>&) override;
 
   // ui::GpuSwitchingObserver implementation.
   void OnGpuSwitched() override;
@@ skipping 74 matching lines @@
   base::TimeTicks vsync_timebase_;
   base::TimeDelta vsync_interval_;
 
   base::Timer display_pending_swap_timer_;
   base::WeakPtrFactory<ImageTransportSurfaceOverlayMac> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_OVERLAY_MAC_H_