Remove ui::KeyEvent::platform_keycode_

ui/events/x/events_x.cc

Index: ui/events/x/events_x.cc
diff --git a/ui/events/x/events_x.cc b/ui/events/x/events_x.cc
index d9dec447e71e48a8e224a1e0ca68413d218659a3..f71fbcb9f8a5bb14c6fce9d16fef632aa1492e85 100644
--- a/ui/events/x/events_x.cc
+++ b/ui/events/x/events_x.cc
@@ -646,41 +646,6 @@ DomCode CodeFromNative(const base::NativeEvent& native_event) {
   return CodeFromXEvent(native_event);
 }
 
-uint32 PlatformKeycodeFromNative(const base::NativeEvent& native_event) {
-  XKeyEvent* xkey = NULL;
-  XEvent xkey_from_xi2;
-  switch (native_event->type) {
-    case KeyPress:
-    case KeyRelease:
-      xkey = &native_event->xkey;
-      break;
-    case GenericEvent: {
-      XIDeviceEvent* xievent =
-          static_cast<XIDeviceEvent*>(native_event->xcookie.data);
-      switch (xievent->evtype) {
-        case XI_KeyPress:
-        case XI_KeyRelease:
-          // Build an XKeyEvent corresponding to the XI2 event,
-          // so that we can call XLookupString on it.
-          InitXKeyEventFromXIDeviceEvent(*native_event, &xkey_from_xi2);
-          xkey = &xkey_from_xi2.xkey;
-          break;
-        default:
-          NOTREACHED();
-          break;
-      }
-      break;
-    }
-    default:
-      NOTREACHED();
-      break;
-  }
-  KeySym keysym = XK_VoidSymbol;
-  if (xkey)
-    XLookupString(xkey, NULL, 0, &keysym, NULL);
-  return keysym;
-}
-
 bool IsCharFromNative(const base::NativeEvent& native_event) {
   return false;
 }