Fix webview.executeScript API

chrome/browser/extensions/api/tabs/tabs_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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_API_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 207 matching lines @@
 
   // ExtensionFunction:
   virtual bool HasPermission() OVERRIDE;
 
   // Initialize the |execute_tab_id_| and |details_| if they haven't already
   // been. Returns whether initialization was successful.
   virtual bool Init() OVERRIDE;
   virtual bool CanExecuteScriptOnPage() OVERRIDE;
   virtual ScriptExecutor* GetScriptExecutor() OVERRIDE;
   virtual bool IsWebView() const OVERRIDE;
+  virtual std::string GetWebViewSrc() const OVERRIDE;
 
  private:
   // Id of tab which executes code.
   int execute_tab_id_;
 };
 
 class TabsExecuteScriptFunction : public ExecuteCodeInTabFunction {
  protected:
   virtual bool ShouldInsertCSS() const OVERRIDE;
 
@@ skipping 14 matching lines @@
   virtual ~TabsInsertCSSFunction() {}
 
   virtual bool ShouldInsertCSS() const OVERRIDE;
 
   DECLARE_EXTENSION_FUNCTION("tabs.insertCSS", TABS_INSERTCSS)
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_API_H_