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

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/message_loop/message_pump_aurax11.h"
+#include "base/message_loop/message_pump_x11.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "net/base/net_util.h"
 #include "ui/base/clipboard/clipboard.h"
 #include "ui/base/clipboard/scoped_clipboard_writer.h"
 #include "ui/base/x/selection_utils.h"
 #include "ui/base/x/x11_util.h"
 
 // Note: the GetBlah() methods are used immediately by the
 // web_contents_view_aura.cc:PrepareDropData(), while the omnibox is a
@@ skipping 50 matching lines @@
           NULL)),
       atom_cache_(x_display_, kAtomsToCache),
       format_map_(),
       selection_owner_(x_display_, x_window_,
                        atom_cache_.GetAtom(kDndSelection)) {
   // We don't know all possible MIME types at compile time.
   atom_cache_.allow_uncached_atoms();
 
   XStoreName(x_display_, x_window_, "Chromium Drag & Drop Window");
 
-  base::MessagePumpAuraX11::Current()->AddDispatcherForWindow(this, x_window_);
+  base::MessagePumpX11::Current()->AddDispatcherForWindow(this, x_window_);
 }
 
 OSExchangeDataProviderAuraX11::~OSExchangeDataProviderAuraX11() {
   if (own_window_) {
-    base::MessagePumpAuraX11::Current()->RemoveDispatcherForWindow(x_window_);
+    base::MessagePumpX11::Current()->RemoveDispatcherForWindow(x_window_);
     XDestroyWindow(x_display_, x_window_);
   }
 }
 
 void OSExchangeDataProviderAuraX11::TakeOwnershipOfSelection() const {
   selection_owner_.TakeOwnershipOfSelection(format_map_);
 }
 
 void OSExchangeDataProviderAuraX11::RetrieveTargets(
     std::vector<Atom>* targets) const {
@@ skipping 277 matching lines @@
 
 ///////////////////////////////////////////////////////////////////////////////
 // OSExchangeData, public:
 
 // static
 OSExchangeData::Provider* OSExchangeData::CreateProvider() {
   return new OSExchangeDataProviderAuraX11();
 }
 
 }  // namespace ui