Revert of Converted video frame and image callbacks to use new sync tokens.

content/common/gpu/client/gpu_channel_host.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 CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_
 #define CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 172 matching lines @@
   int32 GenerateStreamID();
 
   // Sends a synchronous nop to the server which validate that all previous IPC
   // messages have been received. Once the synchronous nop has been sent to the
   // server all previous flushes will all be marked as validated, including
   // flushes for other streams on the same channel. Once a validation has been
   // sent, it will return the highest validated flush id for the stream.
   // If the validation fails (which can only happen upon context lost), the
   // highest validated flush id will not change. If no flush ID were ever
   // validated then it will return 0 (Note the lowest valid flush ID is 1).
-  uint32_t ValidateFlushIDReachedServer(int32 stream_id, bool force_validate);
+  uint32_t ValidateFlushIDReachedServer(int32 stream_id);
 
   // Returns the highest validated flush ID for a given stream.
   uint32_t GetHighestValidatedFlushID(int32 stream_id);
 
  private:
   friend class base::RefCountedThreadSafe<GpuChannelHost>;
 
   // A filter used internally to route incoming messages from the IO thread
   // to the correct message loop. It also maintains some shared state between
   // all the contexts.
@@ skipping 99 matching lines @@
   mutable base::Lock context_lock_;
   scoped_ptr<IPC::SyncChannel> channel_;
   base::hash_map<int32, StreamFlushInfo> stream_flush_info_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_