Rename WebKit namespace to blink (part 3)

content/browser/web_contents/drag_utils_gtk.cc

 // 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.
 
 #include "content/browser/web_contents/drag_utils_gtk.h"
 
-using WebKit::WebDragOperationsMask;
-using WebKit::WebDragOperation;
-using WebKit::WebDragOperationNone;
-using WebKit::WebDragOperationCopy;
-using WebKit::WebDragOperationLink;
-using WebKit::WebDragOperationMove;
+using blink::WebDragOperationsMask;
+using blink::WebDragOperation;
+using blink::WebDragOperationNone;
+using blink::WebDragOperationCopy;
+using blink::WebDragOperationLink;
+using blink::WebDragOperationMove;
 
 namespace content {
 
 GdkDragAction WebDragOpToGdkDragAction(WebDragOperationsMask op) {
   GdkDragAction action = static_cast<GdkDragAction>(0);
   if (op & WebDragOperationCopy)
     action = static_cast<GdkDragAction>(action | GDK_ACTION_COPY);
   if (op & WebDragOperationLink)
     action = static_cast<GdkDragAction>(action | GDK_ACTION_LINK);
   if (op & WebDragOperationMove)
     action = static_cast<GdkDragAction>(action | GDK_ACTION_MOVE);
   return action;
 }
 
 WebDragOperationsMask GdkDragActionToWebDragOp(GdkDragAction action) {
   WebDragOperationsMask op = WebDragOperationNone;
   if (action & GDK_ACTION_COPY)
     op = static_cast<WebDragOperationsMask>(op | WebDragOperationCopy);
   if (action & GDK_ACTION_LINK)
     op = static_cast<WebDragOperationsMask>(op | WebDragOperationLink);
   if (action & GDK_ACTION_MOVE)
     op = static_cast<WebDragOperationsMask>(op | WebDragOperationMove);
   return op;
 }
 
 }  // namespace content