Move dispatchBeforeUnloadEvent to WebFrame, part 1/3.

public/web/WebView.h

 /*
  * Copyright (C) 2009, 2010, 2011, 2012 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 132 matching lines @@
     // Allows setting the state of the various bars exposed via BarProp
     // properties on the window object. The size related fields of
     // WebWindowFeatures are ignored.
     virtual void setWindowFeatures(const WebWindowFeatures&) = 0;
 
 
     // Closing -------------------------------------------------------------
 
     // Runs beforeunload handlers for the current page, returning false if
     // any handler suppressed unloading.
+    // OBSOLETE; DO NOT USE. Call it on WebFrame instead.
     virtual bool dispatchBeforeUnloadEvent() = 0;
 
     // Runs unload handlers for the current page.
     virtual void dispatchUnloadEvent() = 0;
 
 
     // Frames --------------------------------------------------------------
 
     virtual WebFrame* mainFrame() = 0;
 
@@ skipping 333 matching lines @@
 
     // Testing functionality for TestRunner ---------------------------------
 
 protected:
     ~WebView() {}
 };
 
 } // namespace blink
 
 #endif