Update base::StartsWith calls to new form

chrome/browser/search/local_ntp_source.cc

 // Copyright 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 "chrome/browser/search/local_ntp_source.h"
 
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted_memory.h"
@@ skipping 76 matching lines @@
 bool IsIconNTPEnabled() {
   // Note: It's important to query the field trial state first, to ensure that
   // UMA reports the correct group.
   const std::string group_name = base::FieldTrialList::FindFullName("IconNTP");
   using base::CommandLine;
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableIconNtp))
     return false;
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableIconNtp))
     return true;
 
-  return base::StartsWithASCII(group_name, "Enabled", true);
+  return base::StartsWith(group_name, "Enabled", base::CompareCase::SENSITIVE);
 }
 
 // Adds a localized string keyed by resource id to the dictionary.
 void AddString(base::DictionaryValue* dictionary,
                const std::string& key,
                int resource_id) {
   dictionary->SetString(key, l10n_util::GetStringUTF16(resource_id));
 }
 
 // Adds a localized string for the Google searchbox placeholder text.
@@ skipping 119 matching lines @@
     }
   }
   return false;
 }
 
 std::string LocalNtpSource::GetContentSecurityPolicyFrameSrc() const {
   // Allow embedding of most visited iframes.
   return base::StringPrintf("frame-src %s;",
                             chrome::kChromeSearchMostVisitedUrl);
 }