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

chrome/browser/ui/toolbar/test_toolbar_actions_bar_bubble_delegate.cc

 // 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/toolbar/test_toolbar_actions_bar_bubble_delegate.h"
 
 #include "base/logging.h"
 #include "base/macros.h"
 
 class TestToolbarActionsBarBubbleDelegate::DelegateImpl
@@ skipping 37 matching lines @@
       action_(action) {
 }
 
 TestToolbarActionsBarBubbleDelegate::~TestToolbarActionsBarBubbleDelegate() {
   // If the bubble didn't close, it means that it still owns the DelegateImpl,
   // which has a weak ptr to this object. Make sure that this class always
   // outlives the bubble.
   CHECK(close_action_);
 }
 
-scoped_ptr<ToolbarActionsBarBubbleDelegate>
+std::unique_ptr<ToolbarActionsBarBubbleDelegate>
 TestToolbarActionsBarBubbleDelegate::GetDelegate() {
-  return scoped_ptr<ToolbarActionsBarBubbleDelegate>(new DelegateImpl(this));
+  return std::unique_ptr<ToolbarActionsBarBubbleDelegate>(
+      new DelegateImpl(this));
 }