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

chrome/test/chromedriver/chrome/stub_chrome.h

Index: chrome/test/chromedriver/chrome/stub_chrome.h
diff --git a/chrome/test/chromedriver/chrome/stub_chrome.h b/chrome/test/chromedriver/chrome/stub_chrome.h
index 7a4ffadae8cf10a6b63bacce012d9c300b359139..221a443672dd151e5c80f96d3d19a32bf0dedb96 100644
--- a/chrome/test/chromedriver/chrome/stub_chrome.h
+++ b/chrome/test/chromedriver/chrome/stub_chrome.h
@@ -24,7 +24,8 @@ class StubChrome : public 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;