Support fullscreen for non-video elements in the WebView.

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 3e8b30386e3fcfe0802ac25b67b11a40069f6c06..42b6450df9f5b62b3fd3f5337324c2f7274aa4e8 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -1960,6 +1960,14 @@ void RenderWidget::DidChangeBodyBackgroundColor(SkColor bg_color) {
     Send(new ViewHostMsg_DidChangeBodyBackgroundColor(routing_id(), bg_color));
   }
 }
+
+void RenderWidget::didEnterFullscreen() {
+  Send(new ViewHostMsg_DidEnterFullscreen(routing_id_));
+}
+
+void RenderWidget::didExitFullscreen() {
+  Send(new ViewHostMsg_DidExitFullscreen(routing_id_));
+}
 #endif
 
 bool RenderWidget::CanComposeInline() {