printing: Use base::MessageLoop.

printing/printed_document.cc

 // 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.
 
 #include "printing/printed_document.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 199 matching lines @@
 #endif
 }
 
 PrintedDocument::Mutable::~Mutable() {
 }
 
 PrintedDocument::Immutable::Immutable(const PrintSettings& settings,
                                       PrintedPagesSource* source,
                                       int cookie)
     : settings_(settings),
-      source_message_loop_(MessageLoop::current()),
+      source_message_loop_(base::MessageLoop::current()),
       name_(source->RenderSourceName()),
       cookie_(cookie) {
 }
 
 PrintedDocument::Immutable::~Immutable() {
 }
 
 #if defined(OS_POSIX) && defined(USE_AURA)
 // This function is not used on aura linux/chromeos.
 void PrintedDocument::RenderPrintedPage(const PrintedPage& page,
                                         PrintingContext* context) const {
 }
 #endif
 
 }  // namespace printing