Change manifest handler interface to always (implicitly) pass the entire manifest to handlers.

chrome/common/extensions/api/omnibox/omnibox_handler.h

 // Copyright (c) 2012 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 CHROME_COMMON_EXTENSIONS_API_OMNIBOX_OMNIBOX_HANDLER_H_
 #define CHROME_COMMON_EXTENSIONS_API_OMNIBOX_OMNIBOX_HANDLER_H_
 
 #include <string>
 
 #include "chrome/common/extensions/extension.h"
@@ skipping 15 matching lines @@
   // the omnibox.
   static bool IsVerboseInstallMessage(const Extension* extension);
 };
 
 // Parses the "omnibox" manifest key.
 class OmniboxHandler : public ManifestHandler {
  public:
   OmniboxHandler();
   virtual ~OmniboxHandler();
 
-  virtual bool Parse(const base::Value* value,
-                     Extension* extension,
-                     string16* error) OVERRIDE;
+  virtual bool Parse(Extension* extension, string16* error) OVERRIDE;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_API_OMNIBOX_OMNIBOX_HANDLER_H_