Fullscreen: make fullscreen requests come from RenderFrame

content/browser/renderer_host/render_view_host_delegate.h

Index: content/browser/renderer_host/render_view_host_delegate.h
diff --git a/content/browser/renderer_host/render_view_host_delegate.h b/content/browser/renderer_host/render_view_host_delegate.h
index 47b5986ce3f53d963d502bdcfd023abe34ee578a..68e1cd0ab7970c4267fc8bf69f51ff8d5531e062 100644
--- a/content/browser/renderer_host/render_view_host_delegate.h
+++ b/content/browser/renderer_host/render_view_host_delegate.h
@@ -191,8 +191,7 @@ class CONTENT_EXPORT RenderViewHostDelegate {
       RenderViewHost* render_view_host,
       const FileChooserParams& params) {}
 
-  // Notification that the page wants to go into or out of fullscreen mode.
-  virtual void ToggleFullscreenMode(bool enter_fullscreen) {}
+  // Returns whether the associated tab is in fullscreen mode.
   virtual bool IsFullscreenForCurrentTab() const;
 
   // The contents' preferred size changed.