cleanup: cpplint src/extension/*

extensions/common/csp_validator.cc

 // 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.
 
 #include "extensions/common/csp_validator.h"
 
 #include "base/strings/string_split.h"
 #include "base/strings/string_tokenizer.h"
 #include "base/strings/string_util.h"
 
@@ skipping 177 matching lines @@
       if (type == Manifest::TYPE_PLATFORM_APP) {
         if (token == kAllowTopNavigation)
           return false;
       }
     }
   }
 
   return seen_sandbox;
 }
 
-}  // csp_validator
+}  // namespace csp_validator
 
-}  // extensions
+}  // namespace extensions