Introduce BubbleDialogDelegateView, which extends DialogDelegateView

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

 // Copyright 2013 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/views/bookmarks/bookmark_bubble_view.h"
 
 #include <string>
 #include <utility>
 
 #include "base/macros.h"
@@ skipping 69 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BookmarkBubbleViewTest);
 };
 
 // Verifies that the sync promo is not displayed for a signed in user.
 TEST_F(BookmarkBubbleViewTest, SyncPromoSignedIn) {
   SetUpSigninManager("fake_username");
   CreateBubbleView();
   bubble_->Init();
-  EXPECT_FALSE(bubble_->CreateFootnoteView());
+  scoped_ptr<views::View> footnote(bubble_->CreateFootnoteView());
+  EXPECT_FALSE(footnote);
 }
 
 // Verifies that the sync promo is displayed for a user that is not signed in.
 TEST_F(BookmarkBubbleViewTest, SyncPromoNotSignedIn) {
   CreateBubbleView();
   bubble_->Init();
-  scoped_ptr<views::View> footnote = bubble_->CreateFootnoteView();
+  scoped_ptr<views::View> footnote(bubble_->CreateFootnoteView());
 #if defined(OS_CHROMEOS)
   EXPECT_FALSE(footnote);
 #else  // !defined(OS_CHROMEOS)
   EXPECT_TRUE(footnote);
 #endif
 }