Rename KEY_ constants to avoid conflict with <linux/input.h>

ui/ozone/demo/ozone_demo.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 <utility>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 128 matching lines @@
 
   void Quit() {
     window_manager_->Quit();
   }
 
   // PlatformWindowDelegate:
   void OnBoundsChanged(const gfx::Rect& new_bounds) override {}
   void OnDamageRect(const gfx::Rect& damaged_region) override {}
   void DispatchEvent(ui::Event* event) override {
     if (event->IsKeyEvent() &&
-        static_cast<ui::KeyEvent*>(event)->code() == ui::DomCode::KEY_Q)
+        static_cast<ui::KeyEvent*>(event)->code() == ui::DomCode::US_Q)
       Quit();
   }
   void OnCloseRequest() override { Quit(); }
   void OnClosed() override {}
   void OnWindowStateChanged(ui::PlatformWindowState new_state) override {}
   void OnLostCapture() override {}
   void OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget,
                                     float device_pixel_ratio) override {
     DCHECK_NE(widget, gfx::kNullAcceleratedWidget);
     widget_ = widget;
@@ skipping 177 matching lines @@
       ->SetCurrentLayoutByName("us");
 
   base::RunLoop run_loop;
 
   WindowManager window_manager(run_loop.QuitClosure());
 
   run_loop.Run();
 
   return 0;
 }