Replace OVERRIDE with their C++11 counterparts in chrome

chrome/browser/ui/app_list/model_pref_updater_unittest.cc

Index: chrome/browser/ui/app_list/model_pref_updater_unittest.cc
diff --git a/chrome/browser/ui/app_list/model_pref_updater_unittest.cc b/chrome/browser/ui/app_list/model_pref_updater_unittest.cc
index dd92bbf10b061a66374ab6b3ce2e7c39c99963b5..19f7a3ce64e62928526db3f13516c3613d19738f 100644
--- a/chrome/browser/ui/app_list/model_pref_updater_unittest.cc
+++ b/chrome/browser/ui/app_list/model_pref_updater_unittest.cc
@@ -20,7 +20,7 @@ class TestExtensionAppItem : public AppListItem {
   explicit TestExtensionAppItem(const std::string& id) : AppListItem(id) {}
   virtual ~TestExtensionAppItem() {}
 
-  virtual const char* GetItemType() const OVERRIDE {
+  virtual const char* GetItemType() const override {
     return ExtensionAppItem::kItemType;
   }
 
@@ -33,7 +33,7 @@ class ModelPrefUpdaterTest : public testing::Test {
   ModelPrefUpdaterTest() {}
   virtual ~ModelPrefUpdaterTest() {}
 
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     AppListPrefs::RegisterProfilePrefs(pref_service_.registry());
     prefs_.reset(AppListPrefs::Create(&pref_service_));
     model_.reset(new AppListTestModel());