Add a gyp flag to allow removing dependency on ppapi.

content/renderer/media/media_stream_dispatcher.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/renderer/media/media_stream_dispatcher.h"
 
 #include "base/logging.h"
+#include "base/message_loop_proxy.h"
 #include "content/common/media/media_stream_messages.h"
 #include "content/renderer/media/media_stream_dispatcher_eventhandler.h"
 #include "content/renderer/render_view_impl.h"
 #include "googleurl/src/gurl.h"
 
 namespace content {
 
 struct MediaStreamDispatcher::Request {
   Request(const base::WeakPtr<MediaStreamDispatcherEventHandler>& handler,
           int request_id,
@@ skipping 367 matching lines @@
                                             int index) {
   LabelStreamMap::iterator it = label_stream_map_.find(label);
   if (it == label_stream_map_.end())
     return StreamDeviceInfo::kNoId;
 
   DCHECK_GT(it->second.video_array.size(), static_cast<size_t>(index));
   return it->second.video_array[index].session_id;
 }
 
 }  // namespace content