Update {virtual,override} to follow C++11 style in chrome.

chrome/renderer/spellchecker/spellcheck_provider_test.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_RENDERER_SPELLCHECKER_SPELLCHECK_PROVIDER_TEST_H_
 #define CHROME_RENDERER_SPELLCHECKER_SPELLCHECK_PROVIDER_TEST_H_
 
 #include <vector>
 
 #include "base/memory/scoped_vector.h"
 #include "base/strings/string16.h"
 #include "chrome/renderer/spellchecker/spellcheck_provider.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/WebKit/public/web/WebTextCheckingCompletion.h"
 #include "third_party/WebKit/public/web/WebTextCheckingResult.h"
 
 namespace IPC {
   class Message;
 }
 
 // A fake completion object for verification.
 class FakeTextCheckingCompletion : public blink::WebTextCheckingCompletion {
  public:
   FakeTextCheckingCompletion();
   ~FakeTextCheckingCompletion();
 
-  virtual void didFinishCheckingText(
+  void didFinishCheckingText(
       const blink::WebVector<blink::WebTextCheckingResult>& results) override;
-  virtual void didCancelCheckingText() override;
-
+  void didCancelCheckingText() override;
 
   size_t completion_count_;
   size_t cancellation_count_;
 };
 
 // Faked test target, which stores sent message for verification.
 class TestingSpellCheckProvider : public SpellCheckProvider {
  public:
   TestingSpellCheckProvider();
 
@@ skipping 14 matching lines @@
 class SpellCheckProviderTest : public testing::Test {
  public:
   SpellCheckProviderTest();
   ~SpellCheckProviderTest() override;
 
  protected:
   TestingSpellCheckProvider provider_;
 };
 
 #endif  // CHROME_RENDERER_SPELLCHECKER_SPELLCHECK_PROVIDER_TEST_H_