Move BrowserThread to content namespace.

chrome/browser/extensions/pack_extension_job.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_EXTENSIONS_PACK_EXTENSION_JOB_H_
 #define CHROME_BROWSER_EXTENSIONS_PACK_EXTENSION_JOB_H_
 #pragma once
 
 #include <string>
 
@@ skipping 39 matching lines @@
  private:
   friend class base::RefCountedThreadSafe<PackExtensionJob>;
 
   virtual ~PackExtensionJob();
 
   // If |asynchronous_| is false, this is run on whichever thread calls it.
   void Run();
   void ReportSuccessOnClientThread();
   void ReportFailureOnClientThread(const std::string& error);
 
-  BrowserThread::ID client_thread_id_;
+  content::BrowserThread::ID client_thread_id_;
   Client* client_;
   FilePath root_directory_;
   FilePath key_file_;
   FilePath crx_file_out_;
   FilePath key_file_out_;
   bool asynchronous_;
 
   DISALLOW_COPY_AND_ASSIGN(PackExtensionJob);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_PACK_EXTENSION_JOB_H_