Fix a few lints found while working on crrev.com/1051503003.

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"
 #include "base/memory/shared_memory.h"
 #include "base/stl_util.h"
 #include "base/trace_event/trace_event.h"
 #include "content/common/child_process_messages.h"
 #include "content/common/gpu/client/gpu_channel_host.h"
 #include "content/common/gpu/client/gpu_video_decode_accelerator_host.h"
 #include "content/common/gpu/client/gpu_video_encode_accelerator_host.h"
 #include "content/common/gpu/gpu_messages.h"
@@ skipping 587 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