Fix some case-insensitive cases for StartsWith

components/policy/core/common/preg_parser_win.cc

 // 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.
 
 #include "components/policy/core/common/preg_parser_win.h"
 
 #include <windows.h>
 
 #include <algorithm>
 #include <iterator>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "base/files/memory_mapped_file.h"
+#include "base/i18n/case_conversion.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_byteorder.h"
 #include "base/values.h"
 #include "components/policy/core/common/policy_load_status.h"
 #include "components/policy/core/common/registry_dict_win.h"
@@ skipping 265 matching lines @@
       data.resize(size);
       if (!ReadFieldBinary(&cursor, end, size, vector_as_array(&data)))
         break;
       current = NextChar(&cursor, end);
     }
 
     if (current != kDelimBracketClose)
       break;
 
     // Process the record if it is within the |root| subtree.
-    if (base::StartsWith(key_name, root, false))
+    if (base::StartsWith(base::i18n::ToLower(key_name),
+                         base::i18n::ToLower(root),
+                         base::CompareCase::SENSITIVE))
       HandleRecord(key_name.substr(root.size()), value, type, data, dict);
   }
 
   LOG(ERROR) << "Error parsing " << file_path.value() << " at offset "
              << reinterpret_cast<const uint8*>(cursor - 1) - mapped_file.data();
   status->Add(POLICY_LOAD_STATUS_PARSE_ERROR);
   return false;
 }
 
 }  // namespace preg_parser
 }  // namespace policy