Update base::StartsWith calls to new form

chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.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 "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 49 matching lines @@
              proxy_rules.proxies_for_https);
 }
 
 // Extract the embedded PAC script from the given |pac_url|, and store the
 // extracted script in |pac_script|. Returns true if extraction was successful,
 // otherwise returns false. |pac_script| must not be NULL.
 bool GetEmbeddedPacScript(const std::string& pac_url, std::string* pac_script) {
   DCHECK(pac_script);
   const std::string kPacURLPrefix =
       "data:application/x-ns-proxy-autoconfig;base64,";
-  return base::StartsWithASCII(pac_url, kPacURLPrefix, true) &&
+  return base::StartsWith(pac_url, kPacURLPrefix,
+                          base::CompareCase::SENSITIVE) &&
          base::Base64Decode(pac_url.substr(kPacURLPrefix.size()), pac_script);
 }
 
 }  // namespace
 
 // The Data Reduction Proxy has been turned into a "best effort" proxy,
 // meaning it is used only if the effective proxy configuration resolves to
 // DIRECT for a URL. It no longer can be a ProxyConfig in the proxy preference
 // hierarchy. This method removes the Data Reduction Proxy configuration from
 // prefs, if present. |proxy_pref_name| is the name of the proxy pref.
@@ skipping 146 matching lines @@
 #elif defined(OS_OPENBSD)
   return data_reduction_proxy::Client::CHROME_OPENBSD;
 #elif defined(OS_SOLARIS)
   return data_reduction_proxy::Client::CHROME_SOLARIS;
 #elif defined(OS_QNX)
   return data_reduction_proxy::Client::CHROME_QNX;
 #else
   return data_reduction_proxy::Client::UNKNOWN;
 #endif
 }