Move UserScript and related into extensions namespace

chrome/common/extensions/user_script_unittest.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 "base/file_path.h"
 #include "base/pickle.h"
 #include "chrome/common/extensions/user_script.h"
 #include "googleurl/src/gurl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+namespace extensions {
+
 static const int kAllSchemes =
     URLPattern::SCHEME_HTTP |
     URLPattern::SCHEME_HTTPS |
     URLPattern::SCHEME_FILE |
     URLPattern::SCHEME_FTP |
     URLPattern::SCHEME_CHROMEUI;
 
 TEST(ExtensionUserScriptTest, Glob_HostString) {
   UserScript script;
   script.add_glob("*mail.google.com*");
@@ skipping 186 matching lines @@
   }
 
   ASSERT_EQ(script1.url_patterns(), script2.url_patterns());
   ASSERT_EQ(script1.exclude_url_patterns(), script2.exclude_url_patterns());
 }
 
 TEST(ExtensionUserScriptTest, Defaults) {
   UserScript script;
   ASSERT_EQ(UserScript::DOCUMENT_IDLE, script.run_location());
 }
+
+}  // namespace extensions