Mac CoreAnimation compositor in the browser process

cc/output/output_surface.h

 // Copyright 2012 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 CC_OUTPUT_OUTPUT_SURFACE_H_
 #define CC_OUTPUT_OUTPUT_SURFACE_H_
 
 #include <deque>
 #include <memory>
 
@@ skipping 139 matching lines @@
 
   virtual void DidLoseOutputSurface();
   void SetMemoryPolicy(const ManagedMemoryPolicy& policy);
 
   // Support for a pull-model where draws are requested by the output surface.
   //
   // OutputSurface::Invalidate is called by the compositor to notify that
   // there's new content.
   virtual void Invalidate() {}
 
+  virtual void ProcessCALayers(const CALayerOverlayList& ca_layer_overlays) {}
+
   // Updates the worker context provider's visibility, freeing GPU resources if
   // appropriate.
   virtual void SetWorkerContextShouldAggressivelyFreeResources(bool is_visible);
 
   // If this returns true, then the surface will not attempt to draw.
   virtual bool SurfaceIsSuspendForRecycle() const;
 
   // base::trace_event::MemoryDumpProvider implementation.
   bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
                     base::trace_event::ProcessMemoryDump* pmd) override;
@@ skipping 22 matching lines @@
   bool external_stencil_test_enabled_ = false;
 
   base::WeakPtrFactory<OutputSurface> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OutputSurface);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_OUTPUT_SURFACE_H_