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

chrome/test/chromedriver/chrome/stub_chrome.cc

Index: chrome/test/chromedriver/chrome/stub_chrome.cc
diff --git a/chrome/test/chromedriver/chrome/stub_chrome.cc b/chrome/test/chromedriver/chrome/stub_chrome.cc
index f430f92493f59af7c64057fd02058983a5b304ee..56b565f952097331096dafa7c365229f8e4ce4f7 100644
--- a/chrome/test/chromedriver/chrome/stub_chrome.cc
+++ b/chrome/test/chromedriver/chrome/stub_chrome.cc
@@ -14,7 +14,11 @@ std::string StubChrome::GetVersion() {
   return "";
 }
 
-Status StubChrome::GetWebViews(std::list<WebView*>* web_views) {
+Status StubChrome::GetWebViewIds(std::list<std::string>* web_view_ids) {
+  return Status(kOk);
+}
+
+Status StubChrome::GetWebViewById(const std::string& id, WebView** web_view) {
   return Status(kOk);
 }