Make selection_owner.h not include Xlib.h for consistency.

ui/base/dragdrop/os_exchange_data_provider_aurax11.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 "ui/base/dragdrop/os_exchange_data_provider_aurax11.h"
 
 #include "base/logging.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 499 matching lines @@
 bool OSExchangeDataProviderAuraX11::CanDispatchEvent(
     const PlatformEvent& event) {
   return event->xany.window == x_window_;
 }
 
 uint32_t OSExchangeDataProviderAuraX11::DispatchEvent(
     const PlatformEvent& event) {
   XEvent* xev = event;
   switch (xev->type) {
     case SelectionRequest:
-      selection_owner_.OnSelectionRequest(xev->xselectionrequest);
+      selection_owner_.OnSelectionRequest(*xev);
       return ui::POST_DISPATCH_STOP_PROPAGATION;
     default:
       NOTIMPLEMENTED();
   }
   return ui::POST_DISPATCH_NONE;
 }
 
 bool OSExchangeDataProviderAuraX11::GetPlainTextURL(GURL* url) const {
   base::string16 text;
   if (GetString(&text)) {
@@ skipping 13 matching lines @@
 
 ///////////////////////////////////////////////////////////////////////////////
 // OSExchangeData, public:
 
 // static
 OSExchangeData::Provider* OSExchangeData::CreateProvider() {
   return new OSExchangeDataProviderAuraX11();
 }
 
 }  // namespace ui