Send vsync timebase updates to the browser compositor

content/common/gpu/gpu_command_buffer_stub.h

 // Copyright (c) 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 CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_
 #define CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_
 
 #include <deque>
 #include <string>
 #include <vector>
@@ skipping 147 matching lines @@
 
   // Identifies the various GpuCommandBufferStubs in the GPU process belonging
   // to the same renderer process.
   int32 route_id() const { return route_id_; }
 
   gfx::GpuPreference gpu_preference() { return gpu_preference_; }
 
   // Sends a message to the console.
   void SendConsoleMessage(int32 id, const std::string& message);
 
+  // Sends a message with the given time.
+  void SendUpdateVSyncTime(int64 time);
+
   gfx::GLSurface* surface() const { return surface_; }
 
   void AddDestructionObserver(DestructionObserver* observer);
   void RemoveDestructionObserver(DestructionObserver* observer);
 
   // Associates a sync point to this stub. When the stub is destroyed, it will
   // retire all sync points that haven't been previously retired.
   void AddSyncPoint(uint32 sync_point);
 
   void SetPreemptByCounter(scoped_refptr<gpu::RefCountedCounter> counter);
@@ skipping 112 matching lines @@
 
   scoped_refptr<gpu::RefCountedCounter> preempt_by_counter_;
 
   GURL active_url_;
   size_t active_url_hash_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuCommandBufferStub);
 };
 
 #endif  // CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_