Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

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

 // 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.
 
 #include "chrome/browser/ui/cocoa/extensions/extension_message_bubble_bridge.h"
 
 #include <utility>
 
 #include "chrome/browser/extensions/extension_message_bubble_controller.h"
 #include "chrome/browser/ui/cocoa/extensions/toolbar_actions_bar_bubble_mac.h"
 
 ExtensionMessageBubbleBridge::ExtensionMessageBubbleBridge(
-    scoped_ptr<extensions::ExtensionMessageBubbleController> controller,
+    std::unique_ptr<extensions::ExtensionMessageBubbleController> controller,
     bool anchored_to_extension)
     : controller_(std::move(controller)),
       anchored_to_extension_(anchored_to_extension) {}
 
 ExtensionMessageBubbleBridge::~ExtensionMessageBubbleBridge() {
 }
 
 base::string16 ExtensionMessageBubbleBridge::GetHeadingText() {
   return controller_->delegate()->GetTitle();
 }
@@ skipping 37 matching lines @@
       break;
     }
     case CLOSE_EXECUTE:
       controller_->OnBubbleAction();
       break;
     case CLOSE_LEARN_MORE:
       controller_->OnLinkClicked();
       break;
   }
 }