Valgrind: Fix a leak in ManageProfileHandler::SendProfileIcons().

chrome/browser/ui/webui/options2/manage_profile_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_BROWSER_UI_WEBUI_OPTIONS2_MANAGE_PROFILE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS2_MANAGE_PROFILE_HANDLER_H_
 
 #include "chrome/browser/ui/webui/options2/options_ui.h"
 
 namespace base {
@@ skipping 50 matching lines @@
   // |args| is of the form: [ {string} profileFilePath ]
   void DeleteProfile(const base::ListValue* args);
 
   // Callback for the 'profileIconSelectionChanged' message. Used to update the
   // name in the manager profile dialog based on the selected icon.
   void ProfileIconSelectionChanged(const base::ListValue* args);
 
   // Send all profile icons to the overlay.
   // |iconGrid| is the string representation of which grid the icons will
   // populate (i.e. "create-profile-icon-grid" or "manage-profile-icon-grid").
-  void SendProfileIcons(base::StringValue* icon_grid);
+  void SendProfileIcons(const base::StringValue& icon_grid);
 
   // URL for the current profile's GAIA picture.
   std::string gaia_picture_url_;
 
   DISALLOW_COPY_AND_ASSIGN(ManageProfileHandler);
 };
 
 }  // namespace options2
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_MANAGE_PROFILE_HANDLER_H_