Have content/ create and destroy its own threads.

chrome/browser/chromeos/login/screen_locker_webui.cc

 // 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.
 
 #include "chrome/browser/chromeos/login/screen_locker_webui.h"
 
-#include <X11/extensions/XTest.h>
-#include <X11/keysym.h>
-#include <gdk/gdkkeysyms.h>
-#include <gdk/gdkx.h>
-
-// Evil hack to undo X11 evil #define.
-#undef None
-#undef Status
-
 #include "base/command_line.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/screen_locker.h"
 #include "chrome/browser/chromeos/wm_ipc.h"
 #include "chrome/common/url_constants.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/x/x11_util.h"
 #include "ui/gfx/screen.h"
 #include "views/widget/native_widget_gtk.h"
 
+// These conflict with base/tracked_objects.h, so must come last.
+#include <X11/extensions/XTest.h>
+#include <X11/keysym.h>
+#include <gdk/gdkkeysyms.h>
+#include <gdk/gdkx.h>
+
 namespace {
 
 chromeos::ScreenLockerWebUI* screen_locker_webui_ = NULL;
 
 // A ScreenLock window that covers entire screen to keep the keyboard
 // focus/events inside the grab widget.
 class LockWindow : public views::NativeWidgetGtk {
  public:
   LockWindow()
       : views::NativeWidgetGtk(new views::Widget),
@@ skipping 299 matching lines @@
 
 void ScreenLockWebUI::HandleKeyboardEvent(
     const NativeWebKeyboardEvent& event) {
   // Override WebUILoginView::HandleKeyboardEvent to prevent call to WebUI
   // cr.ui.Oobe functions.
   // TODO(flackr): This might be able to be removed once merging with the login
   //     screen WebUI is complete.
 }
 
 }  // namespace chromeos