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

chrome/common/extensions/extension_unpacker.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/common/extensions/extension_unpacker.h"
 
 #include <set>
 
 #include "base/file_util.h"
 #include "base/scoped_handle.h"
 #include "base/scoped_temp_dir.h"
 #include "base/string_util.h"
-#include "base/thread.h"
+#include "base/threading/thread.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "net/base/file_stream.h"
 #include "chrome/common/common_param_traits.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_file_util.h"
 #include "chrome/common/extensions/extension_l10n_util.h"
 #include "chrome/common/json_value_serializer.h"
 #include "chrome/common/url_constants.h"
@@ skipping 281 matching lines @@
 
   parsed_catalogs_->Set(WideToUTF8(relative_path.DirName().ToWStringHack()),
                         root.release());
 
   return true;
 }
 
 void ExtensionUnpacker::SetError(const std::string &error) {
   error_message_ = error;
 }