gpu: Add GpuFence framework.

gpu/ipc/service/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 GPU_IPC_SERVICE_GPU_COMMAND_BUFFER_STUB_H_
 #define GPU_IPC_SERVICE_GPU_COMMAND_BUFFER_STUB_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 31 matching lines @@
 struct SyncToken;
 class SyncPointClient;
 class SyncPointManager;
 namespace gles2 {
 class MailboxManager;
 }
 }
 
 struct GPUCreateCommandBufferConfig;
 struct GpuCommandBufferMsg_CreateImage_Params;
+struct GpuCommandBufferMsg_CreateFence_Params;
 struct GpuCommandBufferMsg_SwapBuffersCompleted_Params;
 
 namespace gpu {
 
 class GpuChannel;
 class GpuWatchdogThread;
 struct WaitForCommandState;
 
 class GPU_EXPORT GpuCommandBufferStub
     : public IPC::Listener,
@@ skipping 125 matching lines @@
                                 uint64_t release);
 
   void OnDescheduleUntilFinished();
   void OnRescheduleAfterFinished();
 
   void OnCreateImage(const GpuCommandBufferMsg_CreateImage_Params& params);
   void OnDestroyImage(int32_t id);
   void OnCreateStreamTexture(uint32_t texture_id,
                              int32_t stream_id,
                              bool* succeeded);
+  void OnCreateFence(const GpuCommandBufferMsg_CreateFence_Params& params);
+  void OnDestroyFence(int32_t id);
   void OnCommandProcessed();
   void OnParseError();
 
   void ReportState();
 
   // Wrapper for CommandExecutor::PutChanged that sets the crash report URL.
   void PutChanged();
 
   // Poll the command buffer to execute work.
   void PollWork();
@@ skipping 48 matching lines @@
 
   std::unique_ptr<WaitForCommandState> wait_for_token_;
   std::unique_ptr<WaitForCommandState> wait_for_get_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuCommandBufferStub);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_IPC_SERVICE_GPU_COMMAND_BUFFER_STUB_H_