Standardize usage of virtual/override/final specifiers.

ui/aura/window_tree_host_x11.cc

 // 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.
 
 #include "ui/aura/window_tree_host_x11.h"
 
 #include <strings.h>
 #include <X11/cursorfont.h>
 #include <X11/extensions/XInput2.h>
 #include <X11/extensions/Xrandr.h>
@@ skipping 115 matching lines @@
       if (!base::StringToInt(parts[1], &right_))
         DLOG(ERROR) << "Incorrect right border calibration value passed.";
       if (!base::StringToInt(parts[2], &top_))
         DLOG(ERROR) << "Incorrect top border calibration value passed.";
       if (!base::StringToInt(parts[3], &bottom_))
         DLOG(ERROR) << "Incorrect bottom border calibration value passed.";
     }
 #endif  // defined(USE_XI2_MT)
   }
 
-  virtual ~TouchEventCalibrate() {
+  ~TouchEventCalibrate() override {
     if (ui::PlatformEventSource::GetInstance())
       ui::PlatformEventSource::GetInstance()->RemovePlatformEventObserver(this);
   }
 
   // Modify the location of the |event|,
   // expanding it from |bounds| to (|bounds| + bezels).
   // Required when touchscreen is bigger than screen (i.e. has bezels),
   // because we receive events in touchscreen coordinates,
   // which need to be expanded when converting to screen coordinates,
   // so that location on bezels will be outside of screen area.
@@ skipping 48 matching lines @@
       // Usually those will be equal,
       // if not, I am not sure what the correct value should be.
       event->set_root_location(gfx::Point(x, y));
     }
     event->set_location(gfx::Point(x, y));
 #endif  // defined(USE_XI2_MT)
   }
 
  private:
   // ui::PlatformEventObserver:
-  virtual void WillProcessEvent(const ui::PlatformEvent& event) override {
+  void WillProcessEvent(const ui::PlatformEvent& event) override {
 #if defined(USE_XI2_MT)
     if (event->type == GenericEvent &&
         (event->xgeneric.evtype == XI_TouchBegin ||
          event->xgeneric.evtype == XI_TouchUpdate ||
          event->xgeneric.evtype == XI_TouchEnd)) {
       XIDeviceEvent* xievent = static_cast<XIDeviceEvent*>(event->xcookie.data);
       xievent->event = xievent->root;
       xievent->event_x = xievent->root_x;
       xievent->event_y = xievent->root_y;
     }
 #endif  // defined(USE_XI2_MT)
   }
 
-  virtual void DidProcessEvent(const ui::PlatformEvent& event) override {}
+  void DidProcessEvent(const ui::PlatformEvent& event) override {}
 
   // The difference in screen's native resolution pixels between
   // the border of the touchscreen and the border of the screen,
   // aka bezel sizes.
   int left_;
   int right_;
   int top_;
   int bottom_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchEventCalibrate);
@@ skipping 497 matching lines @@
 }
 
 namespace test {
 
 void SetUseOverrideRedirectWindowByDefault(bool override_redirect) {
   default_override_redirect = override_redirect;
 }
 
 }  // namespace test
 }  // namespace aura