aura/cros: Rename MessagePump{X => AuraX11} and move the atom cache into it.

ui/aura/dispatcher_linux.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/aura/dispatcher_linux.h"
 
 #include <X11/extensions/XInput2.h>
 
 #include "ui/base/events.h"
 
@@ skipping 21 matching lines @@
     }
   }
 }
 
 }  // namespace
 
 namespace aura {
 
 DispatcherLinux::DispatcherLinux()
     : x_root_window_(
-        DefaultRootWindow(base::MessagePumpX::GetDefaultXDisplay())) {
-  base::MessagePumpX::SetDefaultDispatcher(this);
+        DefaultRootWindow(base::MessagePumpAuraX11::GetDefaultXDisplay())) {
+  base::MessagePumpAuraX11::SetDefaultDispatcher(this);
   MessageLoopForUI::current()->AddObserver(this);
 }
 
 DispatcherLinux::~DispatcherLinux() {
   MessageLoopForUI::current()->RemoveObserver(this);
-  base::MessagePumpX::SetDefaultDispatcher(NULL);
+  base::MessagePumpAuraX11::SetDefaultDispatcher(NULL);
 }
 
 void DispatcherLinux::AddDispatcherForWindow(
     MessageLoop::Dispatcher* dispatcher,
     ::Window x_window) {
   dispatchers_.insert(std::make_pair(x_window, dispatcher));
 }
 
 void DispatcherLinux::RemoveDispatcherForWindow(::Window x_window) {
   dispatchers_.erase(x_window);
@@ skipping 65 matching lines @@
   }
   DispatchersMap::const_iterator it = dispatchers_.find(x_window);
   return it != dispatchers_.end() ? it->second : NULL;
 }
 
 MessageLoop::Dispatcher* CreateDispatcher() {
   return new DispatcherLinux;
 }
 
 }  // namespace aura