Implemented new fence syncs which replaces the old sync points.

gpu/command_buffer/service/in_process_command_buffer.h

Index: gpu/command_buffer/service/in_process_command_buffer.h
diff --git a/gpu/command_buffer/service/in_process_command_buffer.h b/gpu/command_buffer/service/in_process_command_buffer.h
index f4f91f81009b027c9cd70ca5a85f4a1f224833ad..0764a19ef8c288c6087111a23739d60cab36f277 100644
--- a/gpu/command_buffer/service/in_process_command_buffer.h
+++ b/gpu/command_buffer/service/in_process_command_buffer.h
@@ -130,6 +130,9 @@ class GPU_EXPORT InProcessCommandBuffer : public CommandBuffer,
   bool IsGpuChannelLost() override;
   CommandBufferNamespace GetNamespaceID() const override;
   uint64_t GetCommandBufferID() const override;
+  uint32_t GenerateFenceSyncRelease() override;
+  bool IsFenceSyncRelease(uint32_t release) override;
+  bool IsFenceSyncFlushed(uint32_t release) override;
 
   // The serializer interface to the GPU service (i.e. thread).
   class Service {
@@ -254,6 +257,8 @@ class GPU_EXPORT InProcessCommandBuffer : public CommandBuffer,
   gpu::Capabilities capabilities_;
   GpuMemoryBufferManager* gpu_memory_buffer_manager_;
   base::AtomicSequenceNumber next_image_id_;
+  uint32_t next_fence_sync_release_;
+  uint32_t flushed_fence_sync_release_;
 
   // Accessed on both threads:
   scoped_ptr<CommandBufferServiceBase> command_buffer_;