Standardize usage of virtual/override/final specifiers.

content/browser/renderer_host/input/input_router_impl_perftest.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 "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/renderer_host/input/input_ack_handler.h"
 #include "content/browser/renderer_host/input/input_router_client.h"
 #include "content/browser/renderer_host/input/input_router_impl.h"
 #include "content/common/input/web_input_event_traits.h"
@@ skipping 179 matching lines @@
   int64 event_count_;
   base::TimeTicks start_;
   DISALLOW_COPY_AND_ASSIGN(InputEventTimer);
 };
 
 }  // namespace
 
 class InputRouterImplPerfTest : public testing::Test {
  public:
   InputRouterImplPerfTest() : last_input_id_(0) {}
-  virtual ~InputRouterImplPerfTest() {}
+  ~InputRouterImplPerfTest() override {}
 
  protected:
   // testing::Test
-  virtual void SetUp() override {
+  void SetUp() override {
     sender_.reset(new NullIPCSender());
     client_.reset(new NullInputRouterClient());
     ack_handler_.reset(new NullInputAckHandler());
     input_router_.reset(new InputRouterImpl(sender_.get(),
                                             client_.get(),
                                             ack_handler_.get(),
                                             MSG_ROUTING_NONE,
                                             InputRouterImpl::Config()));
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     base::MessageLoop::current()->RunUntilIdle();
 
     input_router_.reset();
     ack_handler_.reset();
     client_.reset();
     sender_.reset();
   }
 
   void SendEvent(const WebGestureEvent& gesture,
                  const ui::LatencyInfo& latency) {
@@ skipping 152 matching lines @@
 
 TEST_F(InputRouterImplPerfTest, TouchSwipeToGestureScroll) {
   SimulateTouchAndScrollEventSequence("TouchSwipeToGestureScroll ",
                                       kDefaultSteps,
                                       kDefaultOrigin,
                                       kDefaultDistance,
                                       kDefaultIterations);
 }
 
 }  // namespace content