gtk: Allow building both the X11 and Gtk message-pumps for gtk.

ui/base/x/selection_requestor.cc

 // Copyright (c) 2013 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/x/selection_requestor.h"
 
-#include "base/message_loop/message_pump_aurax11.h"
+#include "base/message_loop/message_pump_x11.h"
 #include "base/run_loop.h"
 #include "ui/base/x/selection_utils.h"
 #include "ui/base/x/x11_util.h"
 
 namespace ui {
 
 namespace {
 
 const char kChromeSelection[] = "CHROME_SELECTION";
 
@@ skipping 31 matching lines @@
                     selection_name_,
                     target,
                     property_to_set,
                     x_window_,
                     CurrentTime);
 
   // Now that we've thrown our message off to the X11 server, we block waiting
   // for a response.
   base::MessageLoopForUI* loop = base::MessageLoopForUI::current();
   base::MessageLoop::ScopedNestableTaskAllower allow_nested(loop);
-  base::RunLoop run_loop(base::MessagePumpAuraX11::Current());
+  base::RunLoop run_loop(base::MessagePumpX11::Current());
 
   current_target_ = target;
   in_nested_loop_ = true;
   quit_closure_ = run_loop.QuitClosure();
   run_loop.Run();
   in_nested_loop_ = false;
   current_target_ = None;
 
   if (returned_property_ != property_to_set)
     return false;
@@ skipping 37 matching lines @@
     // I am assuming that if some other client sent us a message after we've
     // asked for data, but it's malformed, we should just treat as if they sent
     // us an error message.
     returned_property_ = None;
   }
 
   quit_closure_.Run();
 }
 
 }  // namespace ui