Move base/thread.h to base/threading, fix up callers to use the new location....

chrome/browser/extensions/user_script_master.cc

 // Copyright (c) 2010 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/extensions/user_script_master.h"
 
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/pickle.h"
 #include "base/stl_util-inl.h"
 #include "base/string_util.h"
-#include "base/thread.h"
+#include "base/threading/thread.h"
 #include "base/version.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_resource.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/url_constants.h"
 #include "net/base/net_util.h"
 
 
@@ skipping 367 matching lines @@
       DCHECK(false);
   }
 }
 
 void UserScriptMaster::StartScan() {
   if (!script_reloader_)
     script_reloader_ = new ScriptReloader(this);
 
   script_reloader_->StartScan(user_script_dir_, lone_scripts_);
 }