mac: Replace base::mac::ScopedCFTypeRef with base::ScopedCFTypeRef.

content/browser/web_contents/web_drag_source_mac.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 "base/files/file_path.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/memory/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 31 matching lines @@
   // A mask of the allowed drag operations.
   NSDragOperation dragOperationMask_;
 
   // The file name to be saved to for a drag-out download.
   base::FilePath downloadFileName_;
 
   // The URL to download from for a drag-out download.
   GURL downloadURL_;
 
   // The file UTI associated with the file drag, if any.
-  base::mac::ScopedCFTypeRef<CFStringRef> fileUTI_;
+  base::ScopedCFTypeRef<CFStringRef> fileUTI_;
 }
 
 // Initialize a WebDragSource object for a drag (originating on the given
 // contentsView and with the given dropData and pboard). Fill the pasteboard
 // with data types appropriate for dropData.
 - (id)initWithContents:(content::WebContentsImpl*)contents
                   view:(NSView*)contentsView
               dropData:(const WebDropData*)dropData
                  image:(NSImage*)image
                 offset:(NSPoint)offset
@@ skipping 17 matching lines @@
 
 // End the drag and clear the pasteboard; hook up to
 // -draggedImage:endedAt:operation:.
 - (void)endDragAt:(NSPoint)screenPoint
         operation:(NSDragOperation)operation;
 
 // Drag moved; hook up to -draggedImage:movedTo:.
 - (void)moveDragTo:(NSPoint)screenPoint;
 
 @end