Support fullscreen for non-video elements in the WebView.

content/renderer/render_widget.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/render_widget.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 1692 matching lines @@
   } else {
     webwidget_->willEnterFullScreen();
   }
 }
 
 void RenderWidget::DidToggleFullscreen() {
   if (!webwidget_)
     return;
 
   if (is_fullscreen_) {
+    // NOTE: for fullscreen video the ordering is important.
+    // 1. webwidget_->didEnterFullScreen() creates the ContentVideoView
+    // 2. which will be added to the window once
+    //    ViewHostMsg_DidEnterFullscreen is received.
     webwidget_->didEnterFullScreen();
+#if defined(OS_ANDROID)
+    Send(new ViewHostMsg_DidEnterFullscreen(routing_id_));
+#endif
   } else {
     webwidget_->didExitFullScreen();
+#if defined(OS_ANDROID)
+    Send(new ViewHostMsg_DidExitFullscreen(routing_id_));
+#endif
   }
 }
 
 bool RenderWidget::next_paint_is_resize_ack() const {
   return ViewHostMsg_UpdateRect_Flags::is_resize_ack(next_paint_flags_);
 }
 
 void RenderWidget::set_next_paint_is_resize_ack() {
   next_paint_flags_ |= ViewHostMsg_UpdateRect_Flags::IS_RESIZE_ACK;
 }
@@ skipping 470 matching lines @@
 void RenderWidget::RegisterVideoHoleFrame(RenderFrameImpl* frame) {
   video_hole_frames_.AddObserver(frame);
 }
 
 void RenderWidget::UnregisterVideoHoleFrame(RenderFrameImpl* frame) {
   video_hole_frames_.RemoveObserver(frame);
 }
 #endif  // defined(VIDEO_HOLE)
 
 }  // namespace content