Revert of Port NotificationViewMD unit tests from NotificationViewTest.

ui/message_center/views/notification_view_md.h

 // 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.
 
 #ifndef UI_MESSAGE_CENTER_VIEWS_NOTIFICATION_VIEW_MD_H_
 #define UI_MESSAGE_CENTER_VIEWS_NOTIFICATION_VIEW_MD_H_
 
 #include <vector>
 
 #include "base/gtest_prod_util.h"
@@ skipping 46 matching lines @@
   void UpdateWithNotification(const Notification& notification) override;
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
   bool IsCloseButtonFocused() const override;
   void RequestFocusOnCloseButton() override;
   void UpdateControlButtonsVisibility() override;
 
   // views::ViewTargeterDelegate:
   views::View* TargetForRect(views::View* root, const gfx::Rect& rect) override;
 
  private:
-  FRIEND_TEST_ALL_PREFIXES(NotificationViewMDTest, CreateOrUpdateTest);
-  FRIEND_TEST_ALL_PREFIXES(NotificationViewMDTest, TestIconSizing);
-  FRIEND_TEST_ALL_PREFIXES(NotificationViewMDTest, UpdateButtonsStateTest);
-  FRIEND_TEST_ALL_PREFIXES(NotificationViewMDTest, UpdateButtonCountTest);
-
-  friend class NotificationViewMDTest;
-
   void CreateOrUpdateViews(const Notification& notification);
 
   void CreateOrUpdateContextTitleView(const Notification& notification);
   void CreateOrUpdateTitleView(const Notification& notification);
   void CreateOrUpdateMessageView(const Notification& notification);
   void CreateOrUpdateCompactTitleMessageView(const Notification& notification);
   void CreateOrUpdateProgressBarView(const Notification& notification);
   void CreateOrUpdateListItemViews(const Notification& notification);
   void CreateOrUpdateIconView(const Notification& notification);
   void CreateOrUpdateSmallIconView(const Notification& notification);
@@ skipping 34 matching lines @@
   std::vector<ItemView*> item_views_;
   views::ProgressBar* progress_bar_view_ = nullptr;
   CompactTitleMessageView* compact_title_message_view_ = nullptr;
 
   DISALLOW_COPY_AND_ASSIGN(NotificationViewMD);
 };
 
 }  // namespace message_center
 
 #endif  // UI_MESSAGE_CENTER_VIEWS_NOTIFICATION_VIEW_MD_H_