[chromedriver] Added option to make element references W3C compliant.

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 <memory>
 
 #include "base/compiler_specific.h"
 #include "chrome/test/chromedriver/chrome/browser_info.h"
 #include "chrome/test/chromedriver/chrome/chrome.h"
 
 class Status;
 class WebView;
 
 class StubChrome : public Chrome {
  public:
   StubChrome();
   ~StubChrome() override;
 
   // Overridden from Chrome:
   Status GetAsDesktop(ChromeDesktopImpl** desktop) override;
   const BrowserInfo* GetBrowserInfo() const override;
   bool HasCrashedWebView() override;
-  Status GetWebViewIds(std::list<std::string>* web_view_ids) override;
+  Status GetWebViewIds(std::list<std::string>* web_view_ids,
+                       bool w3c_compliant) override;
   Status GetWebViewById(const std::string& id, WebView** web_view) override;
   Status CloseWebView(const std::string& id) override;
   Status ActivateWebView(const std::string& id) override;
   std::string GetOperatingSystemName() override;
   bool IsMobileEmulationEnabled() const override;
   bool HasTouchScreen() const override;
   std::string page_load_strategy() const override;
   void set_page_load_strategy(std::string strategy) override;
   Status Quit() override;
 
  private:
   BrowserInfo browser_info_;
 };
 
 #endif  // CHROME_TEST_CHROMEDRIVER_CHROME_STUB_CHROME_H_