Revert 116712 - Source/WebCore: [chromium] DomStorage events handling needs TLC (2)

Source/WebCore/storage/StorageArea.h

 /*
  * Copyright (C) 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 31 matching lines @@
     // This interface is required for Chromium since these actions need to be proxied between processes.
     class StorageArea : public RefCounted<StorageArea> {
     public:
         virtual ~StorageArea() { }
 
         // The HTML5 DOM Storage API
         // FIXME: We should pass Document instead of Frame. Also, that parameter should go first.
         virtual unsigned length(Frame* sourceFrame) const = 0;
         virtual String key(unsigned index, Frame* sourceFrame) const = 0;
         virtual String getItem(const String& key, Frame* sourceFrame) const = 0;
-        virtual void setItem(const String& key, const String& value, ExceptionCode&, Frame* sourceFrame) = 0;
-        virtual void removeItem(const String& key, Frame* sourceFrame) = 0;
-        virtual void clear(Frame* sourceFrame) = 0;
+        virtual String setItem(const String& key, const String& value, ExceptionCode& ec, Frame* sourceFrame) = 0;
+        virtual String removeItem(const String& key, Frame* sourceFrame) = 0;
+        virtual bool clear(Frame* sourceFrame) = 0;
         virtual bool contains(const String& key, Frame* sourceFrame) const = 0;
 
         virtual bool disabledByPrivateBrowsingInFrame(const Frame* sourceFrame) const = 0;
     };
 
 } // namespace WebCore
 
 #endif // StorageArea_h