Update {virtual,override,final} to follow C++11 style in chrome/browser/chromeos/login.

chrome/browser/chromeos/login/auth/online_attempt_unittest.cc

Index: chrome/browser/chromeos/login/auth/online_attempt_unittest.cc
diff --git a/chrome/browser/chromeos/login/auth/online_attempt_unittest.cc b/chrome/browser/chromeos/login/auth/online_attempt_unittest.cc
index 660d7fe0e1215ffaad80c8377ccf44846d9fc518..8ba68a36f7d7176098c8aefb1fd39a8feffac8f8 100644
--- a/chrome/browser/chromeos/login/auth/online_attempt_unittest.cc
+++ b/chrome/browser/chromeos/login/auth/online_attempt_unittest.cc
@@ -37,17 +37,15 @@ class TestContextURLRequestContextGetter : public net::URLRequestContextGetter {
   TestContextURLRequestContextGetter()
       : null_task_runner_(new base::NullTaskRunner) {}
 
-  virtual net::URLRequestContext* GetURLRequestContext() override {
-    return &context_;
-  }
+  net::URLRequestContext* GetURLRequestContext() override { return &context_; }
 
-  virtual scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
+  scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
       const override {
     return null_task_runner_;
   }
 
  private:
-  virtual ~TestContextURLRequestContextGetter() {}
+  ~TestContextURLRequestContextGetter() override {}
 
   net::TestURLRequestContext context_;
   scoped_refptr<base::SingleThreadTaskRunner> null_task_runner_;
@@ -63,7 +61,7 @@ class OnlineAttemptTest : public testing::Test {
       : state_(UserContext(), false),
         attempt_(new OnlineAttempt(&state_, &resolver_)) {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     message_loop_ = base::MessageLoopProxy::current();
     request_context_ = new TestContextURLRequestContextGetter();
   }