[chromedriver] Fix 3 bugs about web view, window handle and target window.

chrome/test/chromedriver/chrome/stub_chrome.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_TEST_CHROMEDRIVER_CHROME_STUB_CHROME_H_
 #define CHROME_TEST_CHROMEDRIVER_CHROME_STUB_CHROME_H_
 
 #include <list>
 
 #include "base/compiler_specific.h"
 #include "chrome/test/chromedriver/chrome/chrome.h"
 
 class Status;
 class WebView;
 
 class StubChrome : public Chrome {
  public:
   StubChrome();
   virtual ~StubChrome();
 
   // Overridden from Chrome:
   virtual std::string GetVersion() OVERRIDE;
-  virtual Status GetWebViews(std::list<WebView*>* web_views) OVERRIDE;
+  virtual Status GetWebViewIds(std::list<std::string>* web_view_ids) OVERRIDE;
+  virtual Status GetWebViewById(const std::string& id,
+                                WebView** web_view) OVERRIDE;
   virtual Status IsJavaScriptDialogOpen(bool* is_open) OVERRIDE;
   virtual Status GetJavaScriptDialogMessage(std::string* message) OVERRIDE;
   virtual Status HandleJavaScriptDialog(
       bool accept,
       const std::string& prompt_text) OVERRIDE;
   virtual std::string GetOperatingSystemName() OVERRIDE;
   virtual Status Quit() OVERRIDE;
 };
 
 #endif  // CHROME_TEST_CHROMEDRIVER_CHROME_STUB_CHROME_H_