Validate all flush IDs if the unvalidated list gets too long.

gpu/ipc/client/command_buffer_proxy_impl.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_CLIENT_COMMAND_BUFFER_PROXY_IMPL_H_
 #define GPU_IPC_CLIENT_COMMAND_BUFFER_PROXY_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 191 matching lines @@
                    gpu::error::Error error);
   void OnConsoleMessage(const GPUCommandBufferConsoleMessage& message);
   void OnSignalAck(uint32_t id);
   void OnSwapBuffersCompleted(
       const GpuCommandBufferMsg_SwapBuffersCompleted_Params& params);
   void OnUpdateVSyncParameters(base::TimeTicks timebase,
                                base::TimeDelta interval);
 
   // Updates the highest verified release fence sync.
   void UpdateVerifiedReleases(uint32_t verified_flush);
+  void CleanupFlushedReleases(uint32_t highest_verified_flush_id);
 
   // Try to read an updated copy of the state from shared memory, and calls
   // OnGpuStateError() if the new state has an error.
   void TryUpdateState();
   // Like the above but does not call the error event handler if the new state
   // has an error.
   void TryUpdateStateDontReportError();
   // Sets the state, and calls OnGpuStateError() if the new state has an error.
   void SetStateFromSyncReply(const gpu::CommandBuffer::State& state);
 
@@ skipping 73 matching lines @@
 
   base::WeakPtr<CommandBufferProxyImpl> weak_this_;
   scoped_refptr<base::SequencedTaskRunner> callback_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(CommandBufferProxyImpl);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_IPC_CLIENT_COMMAND_BUFFER_PROXY_IMPL_H_