[Extensions UI] Use the ExtensionMessageBubbleBridge for Views platforms

chrome/browser/ui/cocoa/extensions/extension_message_bubble_bridge.h

-// Copyright 2015 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 CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_MESSAGE_BUBBLE_BRIDGE_H_
-#define CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_MESSAGE_BUBBLE_BRIDGE_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "chrome/browser/ui/toolbar/toolbar_actions_bar_bubble_delegate.h"
-
-@class ToolbarActionsBarBubbleMac;
-
-namespace extensions {
-class ExtensionMessageBubbleController;
-}
-
-// A bridge between an ExtensionMessageBubbleController and a
-// ToolbarActionsBarBubble.
-class ExtensionMessageBubbleBridge : public ToolbarActionsBarBubbleDelegate {
- public:
-  ExtensionMessageBubbleBridge(
-      std::unique_ptr<extensions::ExtensionMessageBubbleController> controller,
-      bool anchored_to_extension);
-  ~ExtensionMessageBubbleBridge() override;
-
- private:
-  // ToolbarActionsBarBubbleDelegate:
-  base::string16 GetHeadingText() override;
-  base::string16 GetBodyText() override;
-  base::string16 GetItemListText() override;
-  base::string16 GetActionButtonText() override;
-  base::string16 GetDismissButtonText() override;
-  base::string16 GetLearnMoreButtonText() override;
-  std::string GetAnchorActionId() override;
-  void OnBubbleShown() override;
-  void OnBubbleClosed(CloseAction action) override;
-
-  std::unique_ptr<extensions::ExtensionMessageBubbleController> controller_;
-
-  // True if the bubble is anchored to an extension action.
-  bool anchored_to_extension_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExtensionMessageBubbleBridge);
-};
-
-#endif  // CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_MESSAGE_BUBBLE_BRIDGE_H_