[chromeos] Remove dependencies of StatisticsProvider on chrome.

chromeos/system/name_value_pairs_parser.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_CHROMEOS_SYSTEM_NAME_VALUE_PAIRS_PARSER_H_
-#define CHROME_BROWSER_CHROMEOS_SYSTEM_NAME_VALUE_PAIRS_PARSER_H_
+#ifndef CHROMEOS_SYSTEM_NAME_VALUE_PAIRS_PARSER_H_
+#define CHROMEOS_SYSTEM_NAME_VALUE_PAIRS_PARSER_H_
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
+#include "chromeos/chromeos_export.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace chromeos {
 namespace system {
 
 // The parser is used to get machine info as name-value pairs. Defined
 // here to be accessible by tests.
-class NameValuePairsParser {
+class CHROMEOS_EXPORT NameValuePairsParser {
  public:
   typedef std::map<std::string, std::string> NameValueMap;
 
   // The obtained info will be written into the given map.
   explicit NameValuePairsParser(NameValueMap* map);
 
   void AddNameValuePair(const std::string& key, const std::string& value);
 
   // Executes tool and inserts (key, <output>) into map_.
   // The program name (argv[0]) should be an absolute path. The function
@@ skipping 39 matching lines @@
 
  private:
   NameValueMap* map_;
 
   DISALLOW_COPY_AND_ASSIGN(NameValuePairsParser);
 };
 
 }  // namespace system
 }  // namespace chromeos
 
-#endif  // CHROME_BROWSER_CHROMEOS_SYSTEM_NAME_VALUE_PAIRS_PARSER_H_
+#endif  // CHROMEOS_SYSTEM_NAME_VALUE_PAIRS_PARSER_H_