Move StringToLowerASCII to base namespace

extensions/browser/extension_registry.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 "extensions/browser/extension_registry.h"
 
 #include "base/strings/string_util.h"
 #include "extensions/browser/extension_registry_factory.h"
 #include "extensions/browser/extension_registry_observer.h"
 
@@ skipping 69 matching lines @@
                                              UninstallReason reason) {
   DCHECK(!GenerateInstalledExtensionsSet()->Contains(extension->id()));
   FOR_EACH_OBSERVER(
       ExtensionRegistryObserver,
       observers_,
       OnExtensionUninstalled(browser_context_, extension, reason));
 }
 
 const Extension* ExtensionRegistry::GetExtensionById(const std::string& id,
                                                      int include_mask) const {
-  std::string lowercase_id = StringToLowerASCII(id);
+  std::string lowercase_id = base::StringToLowerASCII(id);
   if (include_mask & ENABLED) {
     const Extension* extension = enabled_extensions_.GetByID(lowercase_id);
     if (extension)
       return extension;
   }
   if (include_mask & DISABLED) {
     const Extension* extension = disabled_extensions_.GetByID(lowercase_id);
     if (extension)
       return extension;
   }
@@ skipping 58 matching lines @@
   disabled_extensions_.set_modification_callback(callback);
 }
 
 void ExtensionRegistry::Shutdown() {
   // Release references to all Extension objects in the sets.
   ClearAll();
   FOR_EACH_OBSERVER(ExtensionRegistryObserver, observers_, OnShutdown(this));
 }
 
 }  // namespace extensions