Update base::StartsWith calls to new form

chrome/browser/ui/prefs/prefs_tab_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/ui/prefs/prefs_tab_helper.h"
 
 #include <set>
 #include <string>
 
 #include "base/memory/singleton.h"
@@ skipping 119 matching lines @@
 #endif  // !defined(OS_ANDROID)
 
 // Registers |obs| to observe per-script font prefs under the path |map_name|.
 // On android, there's no exposed way to change these prefs, so we can save
 // ~715KB of heap and some startup cycles by avoiding observing these prefs
 // since they will never change.
 void RegisterFontFamilyMapObserver(
     PrefChangeRegistrar* registrar,
     const char* map_name,
     const PrefChangeRegistrar::NamedChangeCallback& obs) {
-  DCHECK(base::StartsWithASCII(map_name, "webkit.webprefs.", true));
+  DCHECK(base::StartsWith(map_name, "webkit.webprefs.",
+                          base::CompareCase::SENSITIVE));
 
   for (size_t i = 0; i < prefs::kWebKitScriptsForFontFamilyMapsLength; ++i) {
     const char* script = prefs::kWebKitScriptsForFontFamilyMaps[i];
     registrar->Add(base::StringPrintf("%s.%s", map_name, script), obs);
   }
 }
 
 #if defined(OS_WIN)
 // On Windows with antialising we want to use an alternate fixed font like
 // Consolas, which looks much better than Courier New.
 bool ShouldUseAlternateDefaultFixedFont(const std::string& script) {
-  if (!base::StartsWithASCII(script, "courier", false))
+  if (!base::StartsWith(script, "courier",
+                        base::CompareCase::INSENSITIVE_ASCII))
     return false;
   UINT smooth_type = 0;
   SystemParametersInfo(SPI_GETFONTSMOOTHINGTYPE, 0, &smooth_type, 0);
   return (base::win::GetVersion() >= base::win::VERSION_WIN7) &&
          (smooth_type == FE_FONTSMOOTHINGCLEARTYPE);
 }
 #endif
 
 struct FontDefault {
   const char* pref_name;
@@ skipping 519 matching lines @@
   }
 }
 
 void PrefsTabHelper::OnWebPrefChanged(const std::string& pref_name) {
 #if !defined(OS_ANDROID)
   OnFontFamilyPrefChanged(pref_name);
 #endif
 
   web_contents_->GetRenderViewHost()->OnWebkitPreferencesChanged();
 }