replace OVERRIDE and FINAL with override and final in chrome/browser/[r-z]*

chrome/browser/search/instant_unittest_base.h

Index: chrome/browser/search/instant_unittest_base.h
diff --git a/chrome/browser/search/instant_unittest_base.h b/chrome/browser/search/instant_unittest_base.h
index 6dd420b4afefe23a1b1e5faebe649310bac58e40..5c0694b087fe6035d25b333399642d95b040a6e9 100644
--- a/chrome/browser/search/instant_unittest_base.h
+++ b/chrome/browser/search/instant_unittest_base.h
@@ -22,8 +22,8 @@ class InstantUnitTestBase : public BrowserWithTestWindowTest {
   InstantUnitTestBase();
   virtual ~InstantUnitTestBase();
 
-  virtual void SetUp() OVERRIDE;
-  virtual void TearDown() OVERRIDE;
+  virtual void SetUp() override;
+  virtual void TearDown() override;
 
 #if !defined(OS_IOS) && !defined(OS_ANDROID)
   // Query extraction is always enabled on Android and iOS.
@@ -50,7 +50,7 @@ class InstantUnitTestBase : public BrowserWithTestWindowTest {
 
  private:
   // BrowserWithTestWindowTest override:
-  virtual TestingProfile* CreateProfile() OVERRIDE;
+  virtual TestingProfile* CreateProfile() override;
 
   void SetUpHelper();
 };