gpu: Add a new extension CHROMIUM_deschedule.

components/mus/gles2/command_buffer_driver.h

 // Copyright 2013 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 COMPONENTS_MUS_GLES2_COMMAND_BUFFER_DRIVER_H_
 #define COMPONENTS_MUS_GLES2_COMMAND_BUFFER_DRIVER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 118 matching lines @@
 
   void DestroyDecoder();
 
   // Callbacks:
   void OnUpdateVSyncParameters(const base::TimeTicks timebase,
                                const base::TimeDelta interval);
   void OnFenceSyncRelease(uint64_t release);
   bool OnWaitFenceSync(gpu::CommandBufferNamespace namespace_id,
                        gpu::CommandBufferId command_buffer_id,
                        uint64_t release);
+  void OnDescheduleUntilFinished();
+  void OnRescheduleAfterFinished();
   void OnParseError();
   void OnContextLost(uint32_t reason);
   void OnGpuCompletedSwapBuffers(gfx::SwapResult result);
 
   const gpu::CommandBufferNamespace command_buffer_namespace_;
   const gpu::CommandBufferId command_buffer_id_;
   gfx::AcceleratedWidget widget_;
   Client* client_;  // NOT OWNED.
   std::unique_ptr<gpu::CommandBufferService> command_buffer_;
   std::unique_ptr<gpu::gles2::GLES2Decoder> decoder_;
@@ skipping 12 matching lines @@
   base::TimeTicks last_idle_time_;
 
   base::WeakPtrFactory<CommandBufferDriver> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CommandBufferDriver);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_GLES2_COMMAND_BUFFER_DRIVER_H_