Remove windows/mac/ios specific code from //ui

ui/base/accelerators/accelerator.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/base/accelerators/accelerator.h"
 
-#if defined(OS_WIN)
-#include <windows.h>
-#endif
-
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 
-#if !defined(OS_WIN) && (defined(USE_AURA) || defined(OS_MACOSX))
+#if defined(USE_AURA)
 #include "ui/events/keycodes/keyboard_code_conversion.h"
 #endif
 
 namespace ui {
 
 Accelerator::Accelerator()
     : key_code_(ui::VKEY_UNKNOWN),
       type_(ui::ET_KEY_PRESSED),
       modifiers_(0),
       is_repeat_(false) {
@@ skipping 70 matching lines @@
 
 bool Accelerator::IsCmdDown() const {
   return (modifiers_ & EF_COMMAND_DOWN) != 0;
 }
 
 bool Accelerator::IsRepeat() const {
   return is_repeat_;
 }
 
 }  // namespace ui