Update ConstrainedWindowViews appearance according to mock

chrome/browser/ui/browser.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 "chrome/browser/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shellapi.h>
 #endif  // OS_WIN
@@ skipping 1732 matching lines @@
   if (index == TabStripModel::kNoTab) {
     NOTREACHED();
     return;
   }
   tab_strip_model_->SetTabBlocked(index, blocked);
   command_controller_->PrintingStateChanged();
   if (!blocked && chrome::GetActiveWebContents(this) == web_contents)
     web_contents->Focus();
 }
 
+BrowserWindow* Browser::GetBrowserWindow() {
+  return window();
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, BlockedContentTabHelperDelegate implementation:
 
 content::WebContents* Browser::GetConstrainingWebContents(
     content::WebContents* source) {
   return source;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, BookmarkTabHelperDelegate implementation:
@@ skipping 540 matching lines @@
   if (contents && !allow_js_access) {
     contents->web_contents()->GetController().LoadURL(
         target_url,
         content::Referrer(),
         content::PAGE_TRANSITION_LINK,
         std::string());  // No extra headers.
   }
 
   return contents != NULL;
 }