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

chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.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 "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
 
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "chrome/browser/chrome_browser_main.h"
 #include "chrome/browser/ui/aura/active_desktop_monitor.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/browser/ui/simple_message_box.h"
 #include "chrome/common/chrome_switches.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "ui/aura/env.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "ui/events/platform/platform_event_source.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/widget/native_widget_aura.h"
 
 #if defined(OS_LINUX)
 #include "chrome/browser/ui/libgtk2ui/gtk2_ui.h"
 #include "ui/views/linux_ui/linux_ui.h"
 #else
 #endif
 
 #if defined(USE_ASH)
@@ skipping 33 matching lines @@
 }
 
 void ChromeBrowserMainExtraPartsAura::PreEarlyInitialization() {
 #if !defined(USE_ASH) && defined(OS_LINUX) && defined(USE_X11)
   // TODO(erg): Refactor this into a dlopen call when we add a GTK3 port.
   views::LinuxUI::SetInstance(BuildGtk2UI());
 #endif
 }
 
 void ChromeBrowserMainExtraPartsAura::ToolkitInitialized() {
+  event_source_ = ui::PlatformEventSource::CreateDefault();
+
 #if !defined(OS_CHROMEOS)
 #if defined(USE_ASH)
   aura::Env::CreateInstance();
   active_desktop_monitor_.reset(new ActiveDesktopMonitor(GetInitialDesktop()));
 #endif
 #endif
 
 #if !defined(USE_ASH) && defined(OS_LINUX) && defined(USE_X11)
   views::LinuxUI::instance()->Initialize();
 #endif
@@ skipping 46 matching lines @@
                            chrome::MESSAGE_BOX_TYPE_WARNING);
 
     // Avoids gpu_process_transport_factory.cc(153)] Check failed:
     // per_compositor_data_.empty() when quit is chosen.
     base::RunLoop().RunUntilIdle();
 
     exit(EXIT_FAILURE);
   }
 }
 #endif