Update base::StartsWith calls to new form

chrome/browser/sync/test/integration/extensions_helper.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.
 
 #include "chrome/browser/sync/test/integration/extensions_helper.h"
 
 #include <cstring>
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 106 matching lines @@
 
 void InstallExtensionsPendingForSync(Profile* profile) {
   SyncExtensionHelper::GetInstance()->InstallExtensionsPendingForSync(profile);
 }
 
 std::string CreateFakeExtensionName(int index) {
   return extension_name_prefix + base::IntToString(index);
 }
 
 bool ExtensionNameToIndex(const std::string& name, int* index) {
-  if (!base::StartsWithASCII(name, extension_name_prefix, true) ||
+  if (!base::StartsWith(name, extension_name_prefix,
+                        base::CompareCase::SENSITIVE) ||
       !base::StringToInt(name.substr(strlen(extension_name_prefix)), index)) {
     LOG(WARNING) << "Unable to convert extension name \"" << name
                  << "\" to index";
     return false;
   }
   return true;
 }
 
 namespace {
 
@@ skipping 126 matching lines @@
   for (int i = 0; i < test()->num_clients(); ++i) {
     profiles.push_back(test()->GetProfile(i));
   }
 
   ExtensionsMatchChecker checker(profiles);
   checker.Wait();
   return !checker.TimedOut();
 }
 
 }  // namespace extensions_helper