[Mac RTL] Correctly position icons and fade text for RTL.

chrome/browser/ui/cocoa/drag_util.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_DRAG_UTIL_H_
 #define CHROME_BROWSER_UI_COCOA_DRAG_UTIL_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/strings/string16.h"
 
 class GURL;
 class Profile;
 
 namespace drag_util {
 
 // Returns the first file URL from |info|, if there is one. If |info| doesn't
 // contain any file URLs, an empty |GURL| is returned.
 GURL GetFileURLFromDropData(id<NSDraggingInfo> info);
 
 // Determines whether the given drag and drop operation contains content that
 // is supported by the web view. In particular, if the content is a local file
 // URL, this checks if it is of a type that can be shown in the tab contents.
 BOOL IsUnsupportedDropData(Profile* profile, id<NSDraggingInfo> info);
 
 // Returns a drag image for a bookmark.
 NSImage* DragImageForBookmark(NSImage* favicon,
                               const base::string16& title,
-                              CGFloat title_width);
+                              CGFloat drag_image_width);
 
 }  // namespace drag_util
 
 #endif  // CHROME_BROWSER_UI_COCOA_DRAG_UTIL_H_