Don't use webmediaplayer to FullscreenController about fullscreen change

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 3b3c6e793c0da01361d9a660ee23586c27610ad5..816b4ff32960ca57225ffd393cd494e1342420cc 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -599,6 +599,7 @@ bool RenderWidget::OnMessageReceived(const IPC::Message& message) {
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(ViewMsg_ShowImeIfNeeded, OnShowImeIfNeeded)
     IPC_MESSAGE_HANDLER(ViewMsg_ImeEventAck, OnImeEventAck)
+    IPC_MESSAGE_HANDLER(ViewMsg_FullscreenChanged, OnFullscreenChanged)
 #endif
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
@@ -1517,6 +1518,16 @@ void RenderWidget::OnImeEventAck() {
   --outstanding_ime_acks_;
   DCHECK(outstanding_ime_acks_ >= 0);
 }
+
+void RenderWidget::OnFullscreenChanged(bool is_fullscreen) {
+  bool fullscreen_changed = (is_fullscreen_ != is_fullscreen);
+  if (!fullscreen_changed)
+    return;
+
+  WillToggleFullscreen();
+  is_fullscreen_ = is_fullscreen;
+  DidToggleFullscreen();
+}
 #endif
 
 bool RenderWidget::ShouldHandleImeEvent() {