Drive extension functions from ExtensionFunction::Run. The

chrome/browser/extensions/api/execute_code_function.h

 // Copyright (c) 2013 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_API_EXECUTE_CODE_FUNCTION_H_
 #define CHROME_BROWSER_EXTENSIONS_API_EXECUTE_CODE_FUNCTION_H_
 
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "chrome/browser/extensions/script_executor.h"
 #include "chrome/common/extensions/api/tabs.h"
 
 namespace extensions {
 
 // Base class for javascript code injection.
 // This is used by both chrome.webview.executeScript and
 // chrome.tabs.executeScript.
 class ExecuteCodeFunction : public ChromeAsyncExtensionFunction {
  public:
   ExecuteCodeFunction();
 
  protected:
   virtual ~ExecuteCodeFunction();
 
   // ExtensionFunction implementation.
   virtual bool HasPermission() OVERRIDE;
-  virtual bool RunImpl() OVERRIDE;
+  virtual bool RunAsync() OVERRIDE;
 
   // Initialize |details_| if it hasn't already been.
   virtual bool Init() = 0;
   virtual bool ShouldInsertCSS() const = 0;
   virtual bool CanExecuteScriptOnPage() = 0;
   virtual ScriptExecutor* GetScriptExecutor() = 0;
   virtual bool IsWebView() const = 0;
   virtual const GURL& GetWebViewSrc() const = 0;
   virtual void OnExecuteCodeFinished(const std::string& error,
                                      int32 on_page_id,
@@ skipping 29 matching lines @@
   ExtensionResource resource_;
 
   // The URL of the file being injected into the page.
   GURL file_url_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_EXECUTE_CODE_FUNCTION_H_