Replace ToLower calls to the new format

chrome/browser/extensions/extension_service.cc

 // Copyright (c) 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/extensions/extension_service.h"
 
 #include <algorithm>
 #include <iterator>
 #include <set>
 
@@ skipping 2098 matching lines @@
   // No need to check for duplicates; inserting a duplicate is a no-op.
   registry_->AddTerminated(make_scoped_refptr(extension));
   UnloadExtension(extension->id(), UnloadedExtensionInfo::REASON_TERMINATE);
 }
 
 void ExtensionService::TerminateExtension(const std::string& extension_id) {
   TrackTerminatedExtension(extension_id);
 }
 
 void ExtensionService::UntrackTerminatedExtension(const std::string& id) {
-  std::string lowercase_id = base::StringToLowerASCII(id);
+  std::string lowercase_id = base::ToLowerASCII(id);
   const Extension* extension =
       registry_->terminated_extensions().GetByID(lowercase_id);
   registry_->RemoveTerminated(lowercase_id);
   if (extension) {
     content::NotificationService::current()->Notify(
         extensions::NOTIFICATION_EXTENSION_REMOVED,
         content::Source<Profile>(profile_),
         content::Details<const Extension>(extension));
   }
 }
@@ skipping 456 matching lines @@
 }
 
 void ExtensionService::OnProfileDestructionStarted() {
   ExtensionIdSet ids_to_unload = registry_->enabled_extensions().GetIDs();
   for (ExtensionIdSet::iterator it = ids_to_unload.begin();
        it != ids_to_unload.end();
        ++it) {
     UnloadExtension(*it, UnloadedExtensionInfo::REASON_PROFILE_SHUTDOWN);
   }
 }