Drive extension functions from ExtensionFunction::Run. The

chrome/browser/extensions/api/browsing_data/browsing_data_api.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.
 
 // Defines the Chrome Extensions BrowsingData API functions, which entail
 // clearing browsing data, and clearing the browser's cache (which, let's be
 // honest, are the same thing), as specified in the extension API JSON.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_BROWSING_DATA_BROWSING_DATA_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_BROWSING_DATA_BROWSING_DATA_API_H_
@@ skipping 68 matching lines @@
 //
 // Each child class must implement GetRemovalMask(), which returns the bitmask
 // of data types to remove.
 class BrowsingDataRemoverFunction : public ChromeAsyncExtensionFunction,
                                     public BrowsingDataRemover::Observer {
  public:
   // BrowsingDataRemover::Observer interface method.
   virtual void OnBrowsingDataRemoverDone() OVERRIDE;
 
   // ExtensionFunction:
-  virtual bool RunImpl() OVERRIDE;
+  virtual bool RunAsync() OVERRIDE;
 
  protected:
   virtual ~BrowsingDataRemoverFunction() {}
 
   // Children should override this method to provide the proper removal mask
   // based on the API call they represent.
   virtual int GetRemovalMask() = 0;
 
  private:
   // Updates the removal bitmask according to whether removing plugin data is
@@ skipping 165 matching lines @@
                              BROWSINGDATA_REMOVEWEBSQL)
 
  protected:
   virtual ~BrowsingDataRemoveWebSQLFunction() {}
 
   // BrowsingDataRemoverFunction:
   virtual int GetRemovalMask() OVERRIDE;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_BROWSING_DATA_BROWSING_DATA_API_H_