x11: Move X event handling out of the message-pump.

ui/events/platform/platform_event_source_stub.cc

Index: ui/events/platform/platform_event_source_stub.cc
diff --git a/ui/base/cursor/cursor_mac.mm b/ui/events/platform/platform_event_source_stub.cc
similarity index 54%
copy from ui/base/cursor/cursor_mac.mm
copy to ui/events/platform/platform_event_source_stub.cc
index 277717dad22fc33a037324b7f843fd28b238e852..57e2a61c3dc4f05f76e64140a738bf5458f3baa4 100644
--- a/ui/base/cursor/cursor_mac.mm
+++ b/ui/events/platform/platform_event_source_stub.cc
@@ -2,16 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ui/base/cursor/cursor.h"
+#include "ui/events/platform/platform_event_source.h"
 
 namespace ui {
 
-void Cursor::RefCustomCursor() {
-  // TODO(macguru):
-}
-
-void Cursor::UnrefCustomCursor() {
-  // TODO(macguru):
+scoped_ptr<PlatformEventSource> PlatformEventSource::CreateDefault() {
+  return scoped_ptr<PlatformEventSource>();
 }
 
 }  // namespace ui