events: Make platform specific events code into ui/events/.

ui/events/x/events_x_utils.h

Index: ui/events/x/events_x_utils.h
diff --git a/ui/events/x/events_x_utils.h b/ui/events/x/events_x_utils.h
new file mode 100644
index 0000000000000000000000000000000000000000..2e1a441b6dce470c88b37c9f71910ccd76505cb6
--- /dev/null
+++ b/ui/events/x/events_x_utils.h
@@ -0,0 +1,21 @@
+// 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 "ui/events/event_constants.h"
+#include "ui/events/events_export.h"
+#include "ui/events/keycodes/keyboard_codes.h"
+#include "ui/gfx/x/x11_types.h"
+
+typedef union _XEvent XEvent;
+
+namespace ui {
+
+// Initializes a XEvent that holds XKeyEvent for testing. Note that ui::EF_
+// flags should be passed as |flags|, not the native ones in <X11/X.h>.
+EVENTS_EXPORT void InitXKeyEventForTesting(EventType type,
+                                           KeyboardCode key_code,
+                                           int flags,
+                                           XEvent* event);
+
+}  // namespace ui