Another stab at the Chromium side of storage events. The WebKit side can be ...

webkit/glue/webkitclient_impl.h

 // Copyright (c) 2009 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.
 
 #ifndef WEBKIT_CLIENT_IMPL_H_
 #define WEBKIT_CLIENT_IMPL_H_
 
 #include "base/platform_file.h"
 #include "base/timer.h"
 #include "webkit/api/public/WebKitClient.h"
@@ skipping 21 matching lines @@
   virtual WebKit::WebString queryLocalizedString(
       WebKit::WebLocalizedString::Name name);
   virtual WebKit::WebString queryLocalizedString(
       WebKit::WebLocalizedString::Name name, int numeric_value);
   virtual double currentTime();
   virtual void setSharedTimerFiredFunction(void (*func)());
   virtual void setSharedTimerFireTime(double fireTime);
   virtual void stopSharedTimer();
   virtual void callOnMainThread(void (*func)());
   virtual void suddenTerminationChanged(bool enabled) { }
+  virtual void dispatchStorageEvent(const WebKit::WebString& key,
+      const WebKit::WebString& oldValue, const WebKit::WebString& newValue,
+      const WebKit::WebString& origin, bool isLocalStorage);
 
   virtual base::PlatformFile databaseOpenFile(
       const WebKit::WebString& file_name, int desired_flags,
       base::PlatformFile* dir_handle);
   virtual int databaseDeleteFile(const WebKit::WebString& file_name,
       bool sync_dir);
   virtual long databaseGetFileAttributes(const WebKit::WebString& file_name);
   virtual long long databaseGetFileSize(const WebKit::WebString& file_name);
 
   virtual bool fileExists(const WebKit::WebString& path);
@@ skipping 42 matching lines @@
   void (*shared_timer_func_)();
 
 #if defined(OS_WIN)
   WebThemeEngineImpl theme_engine_;
 #endif
 };
 
 }  // namespace webkit_glue
 
 #endif  // WEBKIT_CLIENT_IMPL_H_