Re-implement the screensaver to use WebView instead of ExtensionDialogHost.

chrome/browser/ui/views/bookmarks/bookmark_bar_view_test.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 "base/bind.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
@@ skipping 110 matching lines @@
     return 0;
   }
 
 #if defined(USE_AURA)
   virtual views::NativeWidgetHelperAura* CreateNativeWidgetHelper(
       views::NativeWidgetAura* native_widget) OVERRIDE {
     return NULL;
   }
 #endif
 
+  virtual content::WebContents* CreateWebContents(
+      content::BrowserContext* browser_context,
+      content::SiteInstance* site_instance) OVERRIDE {
+    return NULL;
+  }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(ViewsDelegateImpl);
 };
 
 // PageNavigator implementation that records the URL.
 class TestingPageNavigator : public PageNavigator {
  public:
   virtual WebContents* OpenURL(const OpenURLParams& params) OVERRIDE {
     url_ = params.url;
     return NULL;
@@ skipping 1456 matching lines @@
     ASSERT_TRUE(menu != NULL);
     ASSERT_TRUE(menu->GetSubmenu()->IsShowing());
 
     menu->GetMenuController()->CancelAll();
 
     Done();
   }
 };
 
 VIEW_TEST(BookmarkBarViewTest19, SiblingMenu)