gpu: Add sync token dependencies to flush metadata.

gpu/command_buffer/tests/gl_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 GPU_COMMAND_BUFFER_TESTS_GL_MANAGER_H_
 #define GPU_COMMAND_BUFFER_TESTS_GL_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 128 matching lines @@
   gpu::CommandBufferNamespace GetNamespaceID() const override;
   CommandBufferId GetCommandBufferID() const override;
   int32_t GetExtraCommandBufferData() const override;
   uint64_t GenerateFenceSyncRelease() override;
   bool IsFenceSyncRelease(uint64_t release) override;
   bool IsFenceSyncFlushed(uint64_t release) override;
   bool IsFenceSyncFlushReceived(uint64_t release) override;
   bool IsFenceSyncReleased(uint64_t release) override;
   void SignalSyncToken(const gpu::SyncToken& sync_token,
                        const base::Closure& callback) override;
-  bool CanWaitUnverifiedSyncToken(const gpu::SyncToken* sync_token) override;
+  void WaitSyncTokenHint(const gpu::SyncToken& sync_token) override;
+  bool CanWaitUnverifiedSyncToken(const gpu::SyncToken& sync_token) override;
 
  private:
   void PumpCommands();
   bool GetBufferChanged(int32_t transfer_buffer_id);
   void SetupBaseContext();
   void OnFenceSyncRelease(uint64_t release);
   bool OnWaitSyncToken(const SyncToken& sync_token);
 
   gpu::GpuPreferences gpu_preferences_;
 
@@ skipping 23 matching lines @@
   // Used on Android to virtualize GL for all contexts.
   static int use_count_;
   static scoped_refptr<gl::GLShareGroup>* base_share_group_;
   static scoped_refptr<gl::GLSurface>* base_surface_;
   static scoped_refptr<gl::GLContext>* base_context_;
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_TESTS_GL_MANAGER_H_