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

ui/events/win/events_win.cc

Index: ui/events/win/events_win.cc
diff --git a/ui/events/win/events_win.cc b/ui/events/win/events_win.cc
index ae9d40302dd4618b59f90ab70c3b3784c4ee0c43..bcbb2c8ef7fcbf1e04703963ed7d2ed319d240ad 100644
--- a/ui/events/win/events_win.cc
+++ b/ui/events/win/events_win.cc
@@ -292,13 +292,6 @@ gfx::Vector2d GetMouseWheelOffset(const base::NativeEvent& native_event) {
   return gfx::Vector2d(GET_WHEEL_DELTA_WPARAM(native_event.wParam), 0);
 }
 
-base::NativeEvent CopyNativeEvent(const base::NativeEvent& event) {
-  return event;
-}
-
-void ReleaseCopiedNativeEvent(const base::NativeEvent& event) {
-}
-
 void IncrementTouchIdRefCount(const base::NativeEvent& event) {
   NOTIMPLEMENTED();
 }
@@ -356,30 +349,6 @@ bool GetFlingData(const base::NativeEvent& native_event,
   return false;
 }
 
-int GetModifiersFromACCEL(const ACCEL& accel) {
-  int modifiers = EF_NONE;
-  if (accel.fVirt & FSHIFT)
-    modifiers |= EF_SHIFT_DOWN;
-  if (accel.fVirt & FCONTROL)
-    modifiers |= EF_CONTROL_DOWN;
-  if (accel.fVirt & FALT)
-    modifiers |= EF_ALT_DOWN;
-  return modifiers;
-}
-
-int GetModifiersFromKeyState() {
-  int modifiers = EF_NONE;
-  if (base::win::IsShiftPressed())
-    modifiers |= EF_SHIFT_DOWN;
-  if (base::win::IsCtrlPressed())
-    modifiers |= EF_CONTROL_DOWN;
-  if (base::win::IsAltPressed())
-    modifiers |= EF_ALT_DOWN;
-  if (base::win::IsAltGrPressed())
-    modifiers |= EF_ALTGR_DOWN;
-  return modifiers;
-}
-
 // Windows emulates mouse messages for touch events.
 bool IsMouseEventFromTouch(UINT message) {
   return (message >= WM_MOUSEFIRST) && (message <= WM_MOUSELAST) &&