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

chrome/browser/ui/cocoa/download/download_shelf_controller.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.
 
 #import <Cocoa/Cocoa.h>
 
+#include <memory>
+
 #include "base/mac/scoped_nsobject.h"
-#include "base/memory/scoped_ptr.h"
 #import "chrome/browser/ui/cocoa/has_weak_browser_pointer.h"
 #import "chrome/browser/ui/cocoa/view_resizer.h"
 #include "ui/base/cocoa/tracking_area.h"
 
 @class AnimatableView;
 class Browser;
 @class BrowserWindowController;
 @class DownloadItemController;
 class DownloadShelf;
 @class DownloadShelfView;
@@ skipping 34 matching lines @@
 
   // YES if the containing browser window is fullscreen.
   BOOL isFullscreen_;
 
   // YES if the shelf should be closed when the mouse leaves the shelf.
   BOOL shouldCloseOnMouseExit_;
 
   // YES if the mouse is currently over the download shelf.
   BOOL isMouseInsideView_;
 
-  scoped_ptr<DownloadShelf> bridge_;
+  std::unique_ptr<DownloadShelf> bridge_;
 
   // Height of the shelf when it's fully visible.
   CGFloat maxShelfHeight_;
 
   // Current height of the shelf. Changes while the shelf is animating in or
   // out.
   CGFloat currentShelfHeight_;
 
   // Used to autoclose the shelf when the mouse is moved off it.
   ui::ScopedCrTrackingArea trackingArea_;
@@ skipping 48 matching lines @@
 // Called by individual item controllers when their downloads are opened.
 - (void)downloadWasOpened:(DownloadItemController*)download;
 
 // Return the height of the download shelf.
 - (float)height;
 
 // Re-layouts all download items based on their current state.
 - (void)layoutItems;
 
 @end