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

chrome/browser/ui/cocoa/extensions/toolbar_actions_bar_bubble_mac.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.
 
 #import "chrome/browser/ui/cocoa/extensions/toolbar_actions_bar_bubble_mac.h"
 
 #include <utility>
 
 #include "base/mac/foundation_util.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 45 matching lines @@
 
 @implementation ToolbarActionsBarBubbleMac
 
 @synthesize actionButton = actionButton_;
 @synthesize itemList = itemList_;
 @synthesize dismissButton = dismissButton_;
 @synthesize learnMoreButton = learnMoreButton_;
 
 - (id)initWithParentWindow:(NSWindow*)parentWindow
                anchorPoint:(NSPoint)anchorPoint
-                  delegate:(scoped_ptr<ToolbarActionsBarBubbleDelegate>)
+                  delegate:(std::unique_ptr<ToolbarActionsBarBubbleDelegate>)
                                delegate {
   base::scoped_nsobject<InfoBubbleWindow> window(
       [[InfoBubbleWindow alloc]
           initWithContentRect:ui::kWindowSizeDeterminedLater
                     styleMask:NSBorderlessWindowMask
                       backing:NSBackingStoreBuffered
                         defer:NO]);
   if ((self = [super initWithWindow:window
                        parentWindow:parentWindow
                          anchoredAt:anchorPoint])) {
@@ skipping 257 matching lines @@
   } else {
     DCHECK_EQ(sender, actionButton_);
     action = ToolbarActionsBarBubbleDelegate::CLOSE_EXECUTE;
   }
   acknowledged_ = YES;
   delegate_->OnBubbleClosed(action);
   [self close];
 }
 
 @end