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

chrome/test/chromedriver/session_unittest.cc

 // 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.
 
 #include <list>
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
@@ skipping 13 matching lines @@
   ASSERT_TRUE(lock.get());
 }
 
 namespace {
 
 class MockChrome : public StubChrome {
  public:
   MockChrome() : web_view_("1") {}
   virtual ~MockChrome() {}
 
-  virtual Status GetWebViews(std::list<WebView*>* web_views) OVERRIDE {
-    web_views->clear();
-    web_views->push_back(&web_view_);
-    return Status(kOk);
+  virtual Status GetWebViewById(const std::string& id,
+                                WebView** web_view) OVERRIDE {
+    if (id == web_view_.GetId()) {
+      *web_view = &web_view_;
+      return Status(kOk);
+    }
+    return Status(kUnknownError);
   }
 
  private:
   StubWebView web_view_;
 };
 
 }  // namespace
 
 TEST(Session, GetTargetWindowNoChrome) {
   Session session("1");
@@ skipping 10 matching lines @@
 }
 
 TEST(Session, GetTargetWindowTargetWindowStillOpen) {
   scoped_ptr<Chrome> chrome(new MockChrome());
   Session session("1", chrome.Pass());
   session.window = "1";
   WebView* web_view = NULL;
   ASSERT_EQ(kOk, session.GetTargetWindow(&web_view).code());
   ASSERT_TRUE(web_view);
 }