Cleanup SurfaceVisibility code.

content/common/gpu/client/command_buffer_proxy_impl.cc

 // 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.
 
 #include "content/common/gpu/client/command_buffer_proxy_impl.h"
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/logging.h"
@@ skipping 631 matching lines @@
   uint32 signal_id = next_signal_id_++;
   if (!Send(new GpuCommandBufferMsg_SignalQuery(route_id_,
                                                 query,
                                                 signal_id))) {
     return;
   }
 
   signal_tasks_.insert(std::make_pair(signal_id, callback));
 }
 
-void CommandBufferProxyImpl::SetSurfaceVisible(bool visible) {
-  CheckLock();
-  if (last_state_.error != gpu::error::kNoError)
-    return;
-
-  Send(new GpuCommandBufferMsg_SetSurfaceVisible(route_id_, visible));
-}
-
 bool CommandBufferProxyImpl::ProduceFrontBuffer(const gpu::Mailbox& mailbox) {
   CheckLock();
   if (last_state_.error != gpu::error::kNoError)
     return false;
 
   return Send(new GpuCommandBufferMsg_ProduceFrontBuffer(route_id_, mailbox));
 }
 
 scoped_ptr<media::VideoDecodeAccelerator>
 CommandBufferProxyImpl::CreateVideoDecoder() {
@@ skipping 87 matching lines @@
   }
 }
 
 void CommandBufferProxyImpl::OnUpdateVSyncParameters(base::TimeTicks timebase,
                                                      base::TimeDelta interval) {
   if (!update_vsync_parameters_completion_callback_.is_null())
     update_vsync_parameters_completion_callback_.Run(timebase, interval);
 }
 
 }  // namespace content