Remove ui::KeyEvent::platform_keycode_

ui/events/events_stub.cc

 // Copyright (c) 2013 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/logging.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "ui/events/event_utils.h"
 #include "ui/events/keycodes/dom/dom_code.h"
 #include "ui/gfx/geometry/point.h"
@@ skipping 111 matching lines @@
 KeyboardCode KeyboardCodeFromNative(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
   return static_cast<KeyboardCode>(0);
 }
 
 DomCode CodeFromNative(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
   return DomCode::NONE;
 }
 
-uint32 PlatformKeycodeFromNative(const base::NativeEvent& native_event) {
-  NOTIMPLEMENTED();
-  return 0;
-}
-
 bool IsCharFromNative(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
   return false;
 }
 
 uint32 WindowsKeycodeFromNative(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
   return 0;
 }
 
 uint16 TextFromNative(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
   return 0;
 }
 
 uint16 UnmodifiedTextFromNative(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
   return 0;
 }
 
 
 }  // namespace ui