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

content/renderer/media/media_stream_dispatcher.cc

Index: content/renderer/media/media_stream_dispatcher.cc
diff --git a/content/renderer/media/media_stream_dispatcher.cc b/content/renderer/media/media_stream_dispatcher.cc
index 36a5b19fe7168ad353b5cecea3d1952bdbf8aa39..077c27cd980276ba447da112d64fdd5dc9f3dc01 100644
--- a/content/renderer/media/media_stream_dispatcher.cc
+++ b/content/renderer/media/media_stream_dispatcher.cc
@@ -11,7 +11,6 @@
 #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 {
@@ -74,14 +73,15 @@ 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(