Allow PolicyLoadStatusSample to override reporting method

components/policy/core/common/preg_parser.h

 // Copyright (c) 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.
 
 // This file provides a parser for PReg files which are used for storing group
 // policy settings in the file system. The file format is documented here:
 //
 // http://msdn.microsoft.com/en-us/library/windows/desktop/aa374407(v=vs.85).aspx
 
 #ifndef COMPONENTS_POLICY_CORE_COMMON_PREG_PARSER_H_
@@ skipping 19 matching lines @@
 // The magic header in PReg files: ASCII "PReg" + version (0x0001).
 POLICY_EXPORT extern const char kPRegFileHeader[8];
 
 // Reads the PReg file at |file_path| and writes the registry data to |dict|.
 // |root| specifies the registry subtree the caller is interested in, everything
 // else gets ignored. It may be empty if all keys should be returned, but it
 // must NOT end with a backslash.
 POLICY_EXPORT bool ReadFile(const base::FilePath& file_path,
                             const base::string16& root,
                             RegistryDict* dict,
-                            PolicyLoadStatusSample* status_sample);
+                            PolicyLoadStatusSampler* status);
 
 // Similar to ReadFile, but reads from |preg_data| of length |preg_data_size|
-// instead of a file, and writes status to the enum PolicyLoadStatus, which does
-// not record UMA stats, unlike |PolicyLoadStatusSample|. |debug_name| is
-// printed out along with error messages. Used internally and for testing only.
-// All other callers should use ReadFile instead.
+// instead of a file. |debug_name| is printed out along with error messages.
+// Used internally and for testing only. All other callers should use ReadFile
+// instead.
 POLICY_EXPORT bool ReadDataInternal(const uint8_t* preg_data,
                                     size_t preg_data_size,
                                     const base::string16& root,
                                     RegistryDict* dict,
-                                    PolicyLoadStatus* status,
+                                    PolicyLoadStatusSampler* status,
                                     const std::string& debug_name);
 
 }  // namespace preg_parser
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_PREG_PARSER_H_