x11: Move XInput2 availability information out of the message pump.

ui/base/x/x11_util.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.
 
 // This file defines utility functions for X11 (Linux only). This code has been
 // ported from XCB since we can't use XCB on Ubuntu while its 32-bit support
 // remains woefully incomplete.
 
 #include "ui/base/x/x11_util.h"
 
@@ skipping 248 matching lines @@
   return is_shape_available;
 
 }
 
 }  // namespace
 
 bool XDisplayExists() {
   return (gfx::GetXDisplay() != NULL);
 }
 
+bool IsXInput2Available() {
+  return DeviceDataManager::GetInstance()->IsXInput2Available();
+}
+
 static SharedMemorySupport DoQuerySharedMemorySupport(XDisplay* dpy) {
   int dummy;
   Bool pixmaps_supported;
   // Query the server's support for XSHM.
   if (!XShmQueryVersion(dpy, &dummy, &dummy, &pixmaps_supported))
     return SHARED_MEMORY_NONE;
 
 #if defined(OS_FREEBSD)
   // On FreeBSD we can't access the shared memory after it was marked for
   // deletion, unless this behaviour is explicitly enabled by the user.
@@ skipping 1209 matching lines @@
       << "request_code " << static_cast<int>(error_event.request_code) << ", "
       << "minor_code " << static_cast<int>(error_event.minor_code)
       << " (" << request_str << ")";
 }
 
 // ----------------------------------------------------------------------------
 // End of x11_util_internal.h
 
 
 }  // namespace ui