Move component updater artifacts into component_updater namespace.

chrome/browser/component_updater/test/test_installer.h

 // Copyright 2013 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_COMPONENT_UPDATER_TEST_TEST_INSTALLER_H_
 #define CHROME_BROWSER_COMPONENT_UPDATER_TEST_TEST_INSTALLER_H_
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "chrome/browser/component_updater/component_updater_service.h"
 
 namespace base {
 class DictionaryValue;
 }
 
+namespace component_updater {
+
 // A TestInstaller is an installer that does nothing for installation except
 // increment a counter.
 class TestInstaller : public ComponentInstaller {
  public:
   explicit TestInstaller();
 
   virtual void OnUpdateError(int error) OVERRIDE;
 
   virtual bool Install(const base::DictionaryValue& manifest,
                        const base::FilePath& unpack_path) OVERRIDE;
@@ skipping 37 matching lines @@
                        const base::FilePath& unpack_path) OVERRIDE;
 
   virtual bool GetInstalledFile(const std::string& file,
                                 base::FilePath* installed_file) OVERRIDE;
 
  private:
   base::FilePath install_directory_;
   Version current_version_;
 };
 
+}  // namespace component_updater
+
 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_TEST_TEST_INSTALLER_H_