Standardize usage of virtual/override/final specifiers.

content/renderer/gpu/queue_message_swap_promise_unittest.cc

 // Copyright 2014 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.
 
 #include "content/renderer/gpu/queue_message_swap_promise.h"
 
 #include <vector>
 
 #include "base/memory/scoped_vector.h"
 #include "cc/base/swap_promise.h"
@@ skipping 42 matching lines @@
   bool commit_requested;
   int source_frame_number;
 };
 
 class QueueMessageSwapPromiseTest : public testing::Test {
  public:
   QueueMessageSwapPromiseTest()
       : frame_swap_message_queue_(new FrameSwapMessageQueue()),
         sync_message_filter_(new TestSyncMessageFilter()) {}
 
-  virtual ~QueueMessageSwapPromiseTest() {}
+  ~QueueMessageSwapPromiseTest() override {}
 
   scoped_ptr<cc::SwapPromise> QueueMessageImpl(IPC::Message* msg,
                                                MessageDeliveryPolicy policy,
                                                bool commit_requested,
                                                int source_frame_number) {
     return TestRenderWidget::QueueMessageImpl(msg,
                                               policy,
                                               frame_swap_message_queue_.get(),
                                               sync_message_filter_,
                                               commit_requested,
@@ skipping 239 matching lines @@
 TEST_F(QueueMessageSwapPromiseTest,
        VisalStateSwapPromiseDidNotSwapCommitFails) {
   VisualStateSwapPromiseDidNotSwap(cc::SwapPromise::COMMIT_FAILS);
 }
 
 TEST_F(QueueMessageSwapPromiseTest, VisalStateSwapPromiseDidNotSwapSwapFails) {
   VisualStateSwapPromiseDidNotSwap(cc::SwapPromise::SWAP_FAILS);
 }
 
 }  // namespace content