Reland of Use spec-compliant algorithm to select video devices in getUserMedia.

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 <stddef.h>
 
 #include "base/logging.h"
 #include "content/common/media/media_stream_messages.h"
 #include "content/renderer/media/media_stream_dispatcher_eventhandler.h"
 #include "content/renderer/render_thread_impl.h"
 #include "media/base/audio_parameters.h"
-#include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 #include "url/origin.h"
 
 namespace content {
 
 namespace {
 
 bool RemoveStreamDeviceFromArray(const StreamDeviceInfo device_info,
                                  StreamDeviceInfoArray* array) {
   for (StreamDeviceInfoArray::iterator device_it = array->begin();
        device_it != array->end(); ++device_it) {
@@ skipping 42 matching lines @@
     : RenderFrameObserver(render_frame),
       next_ipc_id_(0) {
 }
 
 MediaStreamDispatcher::~MediaStreamDispatcher() {}
 
 void MediaStreamDispatcher::GenerateStream(
     int request_id,
     const base::WeakPtr<MediaStreamDispatcherEventHandler>& event_handler,
     const StreamControls& controls,
-    const url::Origin& security_origin) {
+    const url::Origin& security_origin,
+    bool is_processing_user_gesture) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DVLOG(1) << "MediaStreamDispatcher::GenerateStream(" << request_id << ")";
 
   requests_.push_back(Request(event_handler, request_id, next_ipc_id_));
-  Send(new MediaStreamHostMsg_GenerateStream(
-      routing_id(), next_ipc_id_++, controls, security_origin,
-      blink::WebUserGestureIndicator::isProcessingUserGesture()));
+  Send(new MediaStreamHostMsg_GenerateStream(routing_id(), next_ipc_id_++,
+                                             controls, security_origin,
+                                             is_processing_user_gesture));
 }
 
 void MediaStreamDispatcher::CancelGenerateStream(
     int request_id,
     const base::WeakPtr<MediaStreamDispatcherEventHandler>& event_handler) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DVLOG(1) << "MediaStreamDispatcher::CancelGenerateStream"
            << ", {request_id = " << request_id << "}";
 
   RequestList::iterator it = requests_.begin();
@@ skipping 255 matching lines @@
   DCHECK(thread_checker_.CalledOnValidThread());
   LabelStreamMap::iterator it = label_stream_map_.find(label);
   if (it == label_stream_map_.end() ||
       it->second.video_array.size() <= static_cast<size_t>(index)) {
     return StreamDeviceInfo::kNoId;
   }
   return it->second.video_array[index].session_id;
 }
 
 }  // namespace content