x11: Remove X11 message-pump.

base/message_loop/message_pump_x11.cc

-// Copyright (c) 2012 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 "base/message_loop/message_pump_x11.h"
-
-#include <glib.h>
-#include <X11/X.h>
-#include <X11/extensions/XInput2.h>
-#include <X11/XKBlib.h>
-
-#include "base/basictypes.h"
-#include "base/message_loop/message_loop.h"
-
-namespace base {
-
-namespace {
-
-// The connection is essentially a global that's accessed through a static
-// method and destroyed whenever ~MessagePumpX11() is called. We do this
-// for historical reasons so user code can call
-// MessagePumpForUI::GetDefaultXDisplay() where MessagePumpForUI is a typedef
-// to whatever type in the current build.
-//
-// TODO(erg): This can be changed to something more sane like
-// MessagePumpX11::Current()->display() once MessagePumpGtk goes away.
-Display* g_xdisplay = NULL;
-
-}  // namespace
-
-MessagePumpX11::MessagePumpX11() : MessagePumpGlib() {
-  GetDefaultXDisplay();
-}
-
-MessagePumpX11::~MessagePumpX11() {
-  if (g_xdisplay) {
-    XCloseDisplay(g_xdisplay);
-    g_xdisplay = NULL;
-  }
-}
-
-// static
-Display* MessagePumpX11::GetDefaultXDisplay() {
-  if (!g_xdisplay)
-    g_xdisplay = XOpenDisplay(NULL);
-  return g_xdisplay;
-}
-
-#if defined(TOOLKIT_GTK)
-// static
-MessagePumpX11* MessagePumpX11::Current() {
-  MessageLoop* loop = MessageLoop::current();
-  return static_cast<MessagePumpX11*>(loop->pump_gpu());
-}
-#else
-// static
-MessagePumpX11* MessagePumpX11::Current() {
-  MessageLoopForUI* loop = MessageLoopForUI::current();
-  return static_cast<MessagePumpX11*>(loop->pump_ui());
-}
-#endif
-
-}  // namespace base