Split the event library into a cross-platform and native part. Part 1.

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/gfx/point.h"
 #include "ui/gfx/vector2d.h"
@@ skipping 42 matching lines @@
     const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
   return 0;
 }
 
 gfx::Vector2d GetMouseWheelOffset(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
   return gfx::Vector2d();
 }
 
-base::NativeEvent CopyNativeEvent(const base::NativeEvent& event) {
-  NOTIMPLEMENTED() <<
-      "Don't know how to copy base::NativeEvent for this platform";
-  return NULL;
-}
-
-void ReleaseCopiedNativeEvent(const base::NativeEvent& event) {
-}
-
 void IncrementTouchIdRefCount(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
 }
 
 void ClearTouchIdIfReleased(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
 }
 
 int GetTouchId(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
@@ skipping 70 matching lines @@
   return 0;
 }
 
 uint16 UnmodifiedTextFromNative(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
   return 0;
 }
 
 
 }  // namespace ui