Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/app_list/app_list_controller_browsertest.cc

Index: chrome/browser/ui/app_list/app_list_controller_browsertest.cc
diff --git a/chrome/browser/ui/app_list/app_list_controller_browsertest.cc b/chrome/browser/ui/app_list/app_list_controller_browsertest.cc
index 5a8818576428e3b128af6d9a5ad4876de05c3ef3..874f47fb44ba33d9219c00d0a537ca4b08362e69 100644
--- a/chrome/browser/ui/app_list/app_list_controller_browsertest.cc
+++ b/chrome/browser/ui/app_list/app_list_controller_browsertest.cc
@@ -90,25 +90,25 @@ class AppListControllerSearchResultsBrowserTest
   }
 
   // Overridden from SearchResultObserver:
-  virtual void OnIconChanged() override {}
-  virtual void OnActionsChanged() override {}
-  virtual void OnIsInstallingChanged() override {}
-  virtual void OnPercentDownloadedChanged() override {}
-  virtual void OnItemInstalled() override {}
-  virtual void OnItemUninstalled() override {
+  void OnIconChanged() override {}
+  void OnActionsChanged() override {}
+  void OnIsInstallingChanged() override {}
+  void OnPercentDownloadedChanged() override {}
+  void OnItemInstalled() override {}
+  void OnItemUninstalled() override {
     ++item_uninstall_count_;
     EXPECT_TRUE(observed_result_);
   }
 
   // Overridden from ui::ListModelObserver:
-  virtual void ListItemsAdded(size_t start, size_t count) override {
+  void ListItemsAdded(size_t start, size_t count) override {
     AttemptToLocateItem();
   }
-  virtual void ListItemsRemoved(size_t start, size_t count) override {
+  void ListItemsRemoved(size_t start, size_t count) override {
     AttemptToLocateItem();
   }
-  virtual void ListItemMoved(size_t index, size_t target_index) override {}
-  virtual void ListItemsChanged(size_t start, size_t count) override {}
+  void ListItemMoved(size_t index, size_t target_index) override {}
+  void ListItemsChanged(size_t start, size_t count) override {}
 
   app_list::SearchResult* observed_result_;
   int item_uninstall_count_;