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

ash/host/ash_window_tree_host_win.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 "ash/host/ash_window_tree_host.h"
 
 #include "ash/ash_export.h"
 #include "ash/ash_switches.h"
 #include "ash/host/ash_remote_window_tree_host_win.h"
 #include "ash/host/ash_window_tree_host_init_params.h"
@@ skipping 10 matching lines @@
 
 class AshWindowTreeHostWin : public AshWindowTreeHost,
                              public aura::WindowTreeHostWin {
  public:
   explicit AshWindowTreeHostWin(const gfx::Rect& initial_bounds)
       : aura::WindowTreeHostWin(initial_bounds),
         fullscreen_(false),
         saved_window_style_(0),
         saved_window_ex_style_(0),
         transformer_helper_(this) {}
-  virtual ~AshWindowTreeHostWin() {}
+  ~AshWindowTreeHostWin() override {}
 
  private:
   // AshWindowTreeHost:
-  virtual void ToggleFullScreen() override {
+  void ToggleFullScreen() override {
     gfx::Rect target_rect;
     if (!fullscreen_) {
       fullscreen_ = true;
       saved_window_style_ = GetWindowLong(hwnd(), GWL_STYLE);
       saved_window_ex_style_ = GetWindowLong(hwnd(), GWL_EXSTYLE);
       GetWindowRect(hwnd(), &saved_window_rect_);
       SetWindowLong(hwnd(),
                     GWL_STYLE,
                     saved_window_style_ & ~(WS_CAPTION | WS_THICKFRAME));
       SetWindowLong(
@@ skipping 13 matching lines @@
       target_rect = gfx::Rect(saved_window_rect_);
     }
     SetWindowPos(hwnd(),
                  NULL,
                  target_rect.x(),
                  target_rect.y(),
                  target_rect.width(),
                  target_rect.height(),
                  SWP_NOZORDER | SWP_NOACTIVATE | SWP_FRAMECHANGED);
   }
-  virtual bool ConfineCursorToRootWindow() override { return false; }
-  virtual void UnConfineCursor() override { NOTIMPLEMENTED(); }
-  virtual void SetRootWindowTransformer(
-      scoped_ptr<RootWindowTransformer> transformer) {
+  bool ConfineCursorToRootWindow() override { return false; }
+  void UnConfineCursor() override { NOTIMPLEMENTED(); }
+  void SetRootWindowTransformer(scoped_ptr<RootWindowTransformer> transformer) {
     transformer_helper_.SetRootWindowTransformer(transformer.Pass());
   }
-  virtual gfx::Insets GetHostInsets() const override {
+  gfx::Insets GetHostInsets() const override {
     return transformer_helper_.GetHostInsets();
   }
-  virtual aura::WindowTreeHost* AsWindowTreeHost() override { return this; }
+  aura::WindowTreeHost* AsWindowTreeHost() override { return this; }
 
   // WindowTreeHostWin:
-  virtual void SetBounds(const gfx::Rect& bounds) override {
+  void SetBounds(const gfx::Rect& bounds) override {
     if (fullscreen_) {
       saved_window_rect_.right = saved_window_rect_.left + bounds.width();
       saved_window_rect_.bottom = saved_window_rect_.top + bounds.height();
       return;
     }
     WindowTreeHostWin::SetBounds(bounds);
   }
-  virtual void SetRootTransform(const gfx::Transform& transform) override {
+  void SetRootTransform(const gfx::Transform& transform) override {
     transformer_helper_.SetTransform(transform);
   }
   gfx::Transform GetRootTransform() const {
     return transformer_helper_.GetTransform();
   }
-  virtual gfx::Transform GetInverseRootTransform() const override {
+  gfx::Transform GetInverseRootTransform() const override {
     return transformer_helper_.GetInverseTransform();
   }
-  virtual void UpdateRootWindowSize(const gfx::Size& host_size) override {
+  void UpdateRootWindowSize(const gfx::Size& host_size) override {
     transformer_helper_.UpdateWindowSize(host_size);
   }
 
   bool fullscreen_;
   RECT saved_window_rect_;
   DWORD saved_window_style_;
   DWORD saved_window_ex_style_;
 
   TransformerHelper transformer_helper_;
 
   DISALLOW_COPY_AND_ASSIGN(AshWindowTreeHostWin);
 };
 
 }  // namespace
 
 AshWindowTreeHost* AshWindowTreeHost::Create(
     const AshWindowTreeHostInitParams& init_params) {
   if (base::win::GetVersion() >= base::win::VERSION_WIN7 &&
       !base::CommandLine::ForCurrentProcess()->HasSwitch(
           ash::switches::kForceAshToDesktop))
     return new AshRemoteWindowTreeHostWin(init_params.remote_hwnd);
 
   return new AshWindowTreeHostWin(init_params.initial_bounds);
 }
 
 }  // namespace ash