Move ExtensionCreator into extensions namespace

chrome/browser/extensions/extension_creator.cc

 // Copyright (c) 2012 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/extension_creator.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_handle.h"
 #include "base/scoped_temp_dir.h"
 #include "base/string_util.h"
 #include "chrome/browser/extensions/crx_file.h"
 #include "chrome/browser/extensions/extension_creator_filter.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_file_util.h"
 #include "chrome/common/zip.h"
 #include "crypto/rsa_private_key.h"
 #include "crypto/signature_creator.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
-using extensions::Extension;
-
 namespace {
   const int kRSAKeySize = 1024;
 };
 
+namespace extensions {
+
 ExtensionCreator::ExtensionCreator() : error_type_(kOtherError) {
 }
 
 bool ExtensionCreator::InitializeInput(
     const FilePath& extension_dir,
     const FilePath& crx_path,
     const FilePath& private_key_path,
     const FilePath& private_key_output_path,
     int run_flags) {
   // Validate input |extension_dir|.
@@ skipping 268 matching lines @@
   bool result = false;
   if (CreateZip(extension_dir, temp_dir.path(), &zip_path) &&
       SignZip(zip_path, key_pair.get(), &signature) &&
       WriteCRX(zip_path, key_pair.get(), signature, crx_path)) {
     result = true;
   }
 
   file_util::Delete(zip_path, false);
   return result;
 }
+
+}  // namespace extensions