Infrastructure for temportarily relinquishing GPU resources.

content/common/gpu/gpu_channel_manager.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_CHANNEL_MANAGER_H_
 #define CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_
 
 #include <deque>
 #include <string>
 #include <vector>
@@ skipping 114 matching lines @@
   void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferType type,
                               gfx::GpuMemoryBufferId id,
                               int client_id);
   void DestroyGpuMemoryBufferOnIO(gfx::GpuMemoryBufferType type,
                                   gfx::GpuMemoryBufferId id,
                                   int client_id);
   void OnDestroyGpuMemoryBuffer(gfx::GpuMemoryBufferType type,
                                 gfx::GpuMemoryBufferId id,
                                 int client_id,
                                 int32 sync_point);
+  void OnRelinquishResources();
+  void OnResourcesRelinquished();
 
   void OnLoseAllContexts();
 
   scoped_refptr<base::MessageLoopProxy> io_message_loop_;
   base::WaitableEvent* shutdown_event_;
 
   // Used to send and receive IPC messages from the browser process.
   MessageRouter* const router_;
 
   // These objects manage channels to individual renderer processes there is
@@ skipping 17 matching lines @@
   // that any WeakPtrs to Controller are invalidated before its members
   // variable's destructors are executed, rendering them invalid.
   base::WeakPtrFactory<GpuChannelManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_