Move CreateFakeXEvent to x11_util.{h,cc}.

ui/base/x/x11_util.h

 // Copyright (c) 2011 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.
 
 #ifndef UI_BASE_X_X11_UTIL_H_
 #define UI_BASE_X_X11_UTIL_H_
 #pragma once
 
 // This file declares utility functions for X11 (Linux only).
 //
 // These functions do not require the Xlib headers to be included (which is why
 // we use a void* for Visual*). The Xlib headers are highly polluting so we try
 // hard to limit their spread into the rest of the code.
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
+#include "ui/base/events.h"
 #include "ui/base/ui_export.h"
 
 typedef unsigned long Atom;
 typedef unsigned long XID;
 typedef unsigned long XSharedMemoryId;  // ShmSeg in the X headers.
 typedef struct _XDisplay Display;
 typedef unsigned long Cursor;
 
 #if defined(TOOLKIT_USES_GTK)
 typedef struct _GdkDrawable GdkWindow;
@@ skipping 199 matching lines @@
 // Return true if a given window is in full-screen mode.
 UI_EXPORT bool IsX11WindowFullScreen(XID window);
 
 // Returns the mapped button.
 int GetMappedButton(int button);
 
 // Updates button mapping. This is usually called when a MappingNotify event is
 // received.
 UI_EXPORT void UpdateButtonMap();
 
+// Initializes a XEvent that holds XKeyEvent for testing.
+UI_EXPORT void InitXKeyEventForTesting(EventType type,
+                                       KeyboardCode key_code,
+                                       int flags,
+                                       XEvent* event);
+
 }  // namespace ui
 
 #endif  // UI_BASE_X_X11_UTIL_H_