Clean content_settings_pattern_parser.* from unnecessary dependencies.

chrome/browser/content_settings/content_settings_mock_observer.h

 // 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.
 
 #ifndef CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_MOCK_OBSERVER_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_MOCK_OBSERVER_H_
 
 #include <string>
 
+#include "base/macros.h"
 #include "chrome/browser/content_settings/content_settings_observer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace content_settings {
 
 class MockObserver : public Observer {
  public:
   MockObserver();
   virtual ~MockObserver();
 
   MOCK_METHOD4(OnContentSettingChanged,
                void(const ContentSettingsPattern& primary_pattern,
                     const ContentSettingsPattern& secondary_pattern,
                     ContentSettingsType content_type,
                     std::string resource_identifier));
  private:
   DISALLOW_COPY_AND_ASSIGN(MockObserver);
 };
 
-}  // content_settings
+}  // namespace content_settings
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_MOCK_OBSERVER_H_