Update base::StartsWith calls to new form

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate_browsertest.cc

 // Copyright 2014 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 "base/command_line.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/policy/cloud/policy_header_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h"
@@ skipping 12 matching lines @@
 #include "net/url_request/url_request.h"
 
 using content::ResourceType;
 
 namespace {
 static const char kTestPolicyHeader[] = "test_header";
 static const char kServerRedirectUrl[] = "/server-redirect";
 
 scoped_ptr<net::test_server::HttpResponse> HandleTestRequest(
     const net::test_server::HttpRequest& request) {
-  if (base::StartsWithASCII(request.relative_url, kServerRedirectUrl, true)) {
+  if (base::StartsWith(request.relative_url, kServerRedirectUrl,
+                       base::CompareCase::SENSITIVE)) {
     // Extract the target URL and redirect there.
     size_t query_string_pos = request.relative_url.find('?');
     std::string redirect_target =
         request.relative_url.substr(query_string_pos + 1);
 
     scoped_ptr<net::test_server::BasicHttpResponse> http_response(
         new net::test_server::BasicHttpResponse);
     http_response->set_code(net::HTTP_MOVED_PERMANENTLY);
     http_response->AddCustomHeader("Location", redirect_target);
     return http_response.Pass();
@@ skipping 125 matching lines @@
   redirect_url += kServerRedirectUrl;
   redirect_url += "?";
   redirect_url += dm_url_.spec();
   ui_test_utils::NavigateToURL(browser(), embedded_test_server()->GetURL(
       redirect_url));
   std::string value;
   ASSERT_TRUE(dispatcher_host_delegate_->request_headers_.GetHeader(
       policy::kChromePolicyHeader, &value));
   ASSERT_EQ(kTestPolicyHeader, value);
 }