Fix memory leak in AsyncExtensionFunction.

chrome/browser/extensions/extension_browser_actions_api.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 CHROME_BROWSER_EXTENSIONS_EXTENSION_BROWSER_ACTIONS_API_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_BROWSER_ACTIONS_API_H_
 
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/common/extensions/extension_action.h"
 
 class ExtensionAction;
 class ExtensionActionState;
 
 class BrowserActionFunction : public SyncExtensionFunction {
  protected:
   BrowserActionFunction() : tab_id_(ExtensionAction::kDefaultTabId) {}
   virtual ~BrowserActionFunction() {}
   virtual bool RunImpl();
   virtual bool RunBrowserAction() = 0;
 
   // All the browser action APIs take a single argument called details that is
   // a dictionary.
-  DictionaryValue* details_;
+  const DictionaryValue* details_;
 
   // The tab id the browser action function should apply to, if any, or
   // kDefaultTabId if none was specified.
   int tab_id_;
 
   // The browser action for the current extension.
   ExtensionAction* browser_action_;
 };
 
 class BrowserActionSetIconFunction : public BrowserActionFunction {
@@ skipping 15 matching lines @@
 };
 
 class BrowserActionSetBadgeBackgroundColorFunction
     : public BrowserActionFunction {
   ~BrowserActionSetBadgeBackgroundColorFunction() {}
   virtual bool RunBrowserAction();
   DECLARE_EXTENSION_FUNCTION_NAME("browserAction.setBadgeBackgroundColor")
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_BROWSER_ACTIONS_API_H_