Move BrowserThread to content namespace.

chrome/browser/printing/print_job_worker.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 "chrome/browser/printing/print_job_worker.h"
 
 #include "base/message_loop.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/printing/print_job.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "printing/print_job_constants.h"
 #include "printing/printed_document.h"
 #include "printing/printed_page.h"
 
+using content::BrowserThread;
+
 namespace printing {
 
 class PrintJobWorker::NotificationTask : public Task {
  public:
   NotificationTask() : print_job_(NULL), details_(NULL) {
   }
   ~NotificationTask() {
   }
 
   // Initializes the object. This object can't be initialized in the constructor
@@ skipping 329 matching lines @@
     printing::PrintJobWorker* obj) {
   DCHECK(!owner_.get());
   owner_ = obj->owner_;
 }
 
 void RunnableMethodTraits<printing::PrintJobWorker>::ReleaseCallee(
     printing::PrintJobWorker* obj) {
   DCHECK_EQ(owner_, obj->owner_);
   owner_ = NULL;
 }