Convert //content/browser from scoped_ptr to std::unique_ptr

content/browser/web_contents/web_drag_dest_mac.mm

 // 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 "content/browser/web_contents/web_drag_dest_mac.h"
 
 #import <Carbon/Carbon.h>
 
 #include "base/strings/sys_string_conversions.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
@@ skipping 108 matching lines @@
 // Messages to send during the tracking of a drag, usually upon receiving
 // calls from the view system. Communicates the drag messages to WebCore.
 
 - (NSDragOperation)draggingEntered:(id<NSDraggingInfo>)info
                               view:(NSView*)view {
   // Save off the RVH so we can tell if it changes during a drag. If it does,
   // we need to send a new enter message in draggingUpdated:.
   currentRVH_ = webContents_->GetRenderViewHost();
 
   // Fill out a DropData from pasteboard.
-  scoped_ptr<DropData> dropData;
+  std::unique_ptr<DropData> dropData;
   dropData.reset(new DropData());
   [self populateDropData:dropData.get()
              fromPasteboard:[info draggingPasteboard]];
 
   NSDragOperation mask = [info draggingSourceOperationMask];
 
   // Give the delegate an opportunity to cancel the drag.
   canceled_ = !webContents_->GetDelegate()->CanDragEnter(
       webContents_,
       *dropData,
@@ skipping 183 matching lines @@
   // Get custom MIME data.
   if ([types containsObject:ui::kWebCustomDataPboardType]) {
     NSData* customData = [pboard dataForType:ui::kWebCustomDataPboardType];
     ui::ReadCustomDataIntoMap([customData bytes],
                               [customData length],
                               &data->custom_data);
   }
 }
 
 @end