Remove legacy StartsWithASCII function.

rlz/win/lib/machine_deal.cc

 // 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.
 //
 // Library functions related to the OEM Deal Confirmation Code.
 
 #include "rlz/win/lib/machine_deal.h"
 
 #include <windows.h>
 #include <vector>
@@ skipping 85 matching lines @@
 }
 
 bool GetResponseValue(const std::string& response_line,
                       const std::string& response_key,
                       std::string* value) {
   if (!value)
     return false;
 
   value->clear();
 
-  if (!base::StartsWithASCII(response_line, response_key, true))
+  if (!base::StartsWith(response_line, response_key,
+                        base::CompareCase::SENSITIVE))
     return false;
 
   std::vector<std::string> tokens;
   base::SplitString(response_line, ':', &tokens);
   if (tokens.size() != 2)
     return false;
 
   // The first token is the key, the second is the value.  The value is already
   // trimmed for whitespace.
   *value = tokens[1];
@@ skipping 174 matching lines @@
   DWORD dcc_size = arraysize(dcc);
   if (dcc_key.ReadValue(kDccValueName, dcc, &dcc_size, NULL) == ERROR_SUCCESS) {
     ASSERT_STRING("MachineDealCode::Clear: Could not delete the DCC value.");
     return false;
   }
 
   return true;
 }
 
 }  // namespace rlz_lib