replace OVERRIDE and FINAL with override and final in chrome/browser/[a-i]*

chrome/browser/history/top_sites_impl_unittest.cc

Index: chrome/browser/history/top_sites_impl_unittest.cc
diff --git a/chrome/browser/history/top_sites_impl_unittest.cc b/chrome/browser/history/top_sites_impl_unittest.cc
index 665310b4599d0347a48ad1fb231cc60b6adac9fe..59e0c6ac2267be1c7aa7b5ab8ab8d4ad1385c8be 100644
--- a/chrome/browser/history/top_sites_impl_unittest.cc
+++ b/chrome/browser/history/top_sites_impl_unittest.cc
@@ -34,8 +34,8 @@ class TestTopSitesObserver : public history::TopSitesObserver {
   explicit TestTopSitesObserver(Profile* profile, history::TopSites* top_sites);
   virtual ~TestTopSitesObserver();
   // TopSitesObserver:
-  virtual void TopSitesLoaded(history::TopSites* top_sites) OVERRIDE;
-  virtual void TopSitesChanged(history::TopSites* top_sites) OVERRIDE;
+  virtual void TopSitesLoaded(history::TopSites* top_sites) override;
+  virtual void TopSitesChanged(history::TopSites* top_sites) override;
 
  private:
   Profile* profile_;
@@ -77,11 +77,11 @@ class WaitForHistoryTask : public HistoryDBTask {
   WaitForHistoryTask() {}
 
   virtual bool RunOnDBThread(HistoryBackend* backend,
-                             HistoryDatabase* db) OVERRIDE {
+                             HistoryDatabase* db) override {
     return true;
   }
 
-  virtual void DoneRunOnMainThread() OVERRIDE {
+  virtual void DoneRunOnMainThread() override {
     base::MessageLoop::current()->Quit();
   }