Revert of Don't use webmediaplayer to inform webview about fullscreen change

content/renderer/media/android/webmediaplayer_android.cc

 // Copyright 2013 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/android/webmediaplayer_android.h"
 
 #include <limits>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 739 matching lines @@
   DCHECK(!media_source_delegate_);
   SetNeedsEstablishPeer(true);
   if (!paused())
     EstablishSurfaceTexturePeer();
   is_remote_ = false;
   ReallocateVideoFrame();
 }
 
 void WebMediaPlayerAndroid::OnDidEnterFullscreen() {
   if (!manager_->IsInFullscreen(frame_)) {
+    frame_->view()->willEnterFullScreen();
+    frame_->view()->didEnterFullScreen();
     manager_->DidEnterFullscreen(frame_);
   }
 }
 
 void WebMediaPlayerAndroid::OnDidExitFullscreen() {
   // |needs_external_surface_| is always false on non-TV devices.
   if (!needs_external_surface_)
     SetNeedsEstablishPeer(true);
   // We had the fullscreen surface connected to Android MediaPlayer,
   // so reconnect our surface texture for embedded playback.
   if (!paused() && needs_establish_peer_)
     EstablishSurfaceTexturePeer();
 
 #if defined(VIDEO_HOLE)
   if (!paused() && needs_external_surface_)
     manager_->RequestExternalSurface(player_id_, last_computed_rect_);
 #endif  // defined(VIDEO_HOLE)
 
+  frame_->view()->willExitFullScreen();
+  frame_->view()->didExitFullScreen();
   manager_->DidExitFullscreen();
   client_->repaint();
 }
 
 void WebMediaPlayerAndroid::OnMediaPlayerPlay() {
   UpdatePlayingState(true);
   client_->playbackStateChanged();
 }
 
 void WebMediaPlayerAndroid::OnMediaPlayerPause() {
@@ skipping 761 matching lines @@
 
 void WebMediaPlayerAndroid::exitFullscreen() {
   manager_->ExitFullscreen(player_id_);
 }
 
 bool WebMediaPlayerAndroid::canEnterFullscreen() const {
   return manager_->CanEnterFullscreen(frame_);
 }
 
 }  // namespace content