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

chrome/browser/ui/views/bookmarks/bookmark_bar_view_test.cc

Index: chrome/browser/ui/views/bookmarks/bookmark_bar_view_test.cc
diff --git a/chrome/browser/ui/views/bookmarks/bookmark_bar_view_test.cc b/chrome/browser/ui/views/bookmarks/bookmark_bar_view_test.cc
index 62465f56b362c38ded0cb7a50f11cba216b60d02..cb5d34d8d4bf98286e42bedba6feaa0d023d79e8 100644
--- a/chrome/browser/ui/views/bookmarks/bookmark_bar_view_test.cc
+++ b/chrome/browser/ui/views/bookmarks/bookmark_bar_view_test.cc
@@ -128,6 +128,12 @@ class ViewsDelegateImpl : public views::ViewsDelegate {
   }
 #endif
 
+  virtual content::WebContents* CreateWebContents(
+      content::BrowserContext* browser_context,
+      content::SiteInstance* site_instance) OVERRIDE {
+    return NULL;
+  }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(ViewsDelegateImpl);
 };