Not for review - Rebase of crrev.com/62833003

public/web/WebViewClient.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 81 matching lines @@
     // WebWidgetClient::show.
     virtual WebView* createView(WebLocalFrame* creator,
                                 const WebURLRequest& request,
                                 const WebWindowFeatures& features,
                                 const WebString& name,
                                 WebNavigationPolicy policy,
                                 bool suppressOpener) {
         return 0;
     }
 
-    // Create a new WebPopupMenu.
+    virtual size_t compositorId() const { return 0; }
+
+    // Create a new WebPopupMenu. In the second form, the client is
+    // responsible for rendering the contents of the popup menu.
     virtual WebWidget* createPopupMenu(WebPopupType) { return 0; }
     virtual WebWidget* createPopupMenu(const WebPopupMenuInfo&) { return 0; }
 
     // Create a session storage namespace object associated with this WebView.
     virtual WebStorageNamespace* createSessionStorageNamespace() { return 0; }
 
 
     // Misc ----------------------------------------------------------------
 
     // Called when script in the page calls window.print().  If frame is
@@ skipping 193 matching lines @@
     // Informs the browser that the draggable regions have been updated.
     virtual void draggableRegionsChanged() { }
 
 protected:
     ~WebViewClient() { }
 };
 
 } // namespace blink
 
 #endif