Media Remoting: Add RemotingController.

media/blink/webmediaplayer_impl.cc

Index: media/blink/webmediaplayer_impl.cc
diff --git a/media/blink/webmediaplayer_impl.cc b/media/blink/webmediaplayer_impl.cc
index 7c67743e982b430e3c7794a1e1d2a3310806ee3c..f41190707ba6dbe18e8013fe75950fa3dfe18c0c 100644
--- a/media/blink/webmediaplayer_impl.cc
+++ b/media/blink/webmediaplayer_impl.cc
@@ -227,7 +227,8 @@ WebMediaPlayerImpl::WebMediaPlayerImpl(
       suppress_destruction_errors_(false),
       can_suspend_state_(CanSuspendState::UNKNOWN),
       is_encrypted_(false),
-      underflow_count_(0) {
+      underflow_count_(0),
+      observer_(params.media_observer()) {
   DCHECK(!adjust_allocated_memory_cb_.is_null());
   DCHECK(renderer_factory_);
   DCHECK(client_);
@@ -337,11 +338,15 @@ void WebMediaPlayerImpl::DisableOverlay() {
 void WebMediaPlayerImpl::enteredFullscreen() {
   if (!force_video_overlays_ && !disable_fullscreen_video_overlays_)
     EnableOverlay();
+  if (observer_)
+    observer_->OnEnteredFullscreen();
 }
 
 void WebMediaPlayerImpl::exitedFullscreen() {
   if (!force_video_overlays_ && !disable_fullscreen_video_overlays_)
     DisableOverlay();
+  if (observer_)
+    observer_->OnExitedFullscreen();
 }
 
 void WebMediaPlayerImpl::DoLoad(LoadType load_type,
@@ -953,6 +958,9 @@ void WebMediaPlayerImpl::SetCdm(const CdmAttachedCB& cdm_attached_cb,
     return;
   }
 
+  if (observer_)
+    observer_->OnSetCdm(cdm_context);
+
   // If CDM initialization succeeded, tell the pipeline about it.
   pipeline_.SetCdm(cdm_context, cdm_attached_cb);
 }
@@ -1091,6 +1099,9 @@ void WebMediaPlayerImpl::OnMetadata(PipelineMetadata metadata) {
     client_->setWebLayer(video_weblayer_.get());
   }
 
+  if (observer_)
+    observer_->OnMetadata(metadata);
+
   CreateWatchTimeReporter();
   UpdatePlayState();
 }
@@ -1821,4 +1832,14 @@ void WebMediaPlayerImpl::CreateWatchTimeReporter() {
     watch_time_reporter_->OnShown();
 }
 
+void WebMediaPlayerImpl::ancestorEnteredFullscreen() {
+  if (observer_)
+    observer_->OnEnteredFullscreen();
+}
+
+void WebMediaPlayerImpl::ancestorExitedFullscreen() {
+  if (observer_)
+    observer_->OnExitedFullscreen();
+}
+
 }  // namespace media