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

ui/aura/bench/bench_main.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 "base/at_exit.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/i18n/icu_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
@@ skipping 17 matching lines @@
 #include "ui/gfx/rect.h"
 #include "ui/gfx/skia_util.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES 1
 #endif
 #include "third_party/khronos/GLES2/gl2ext.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebGraphicsContext3D.h"
 
 #if defined(USE_X11)
-#include "base/message_pump_x.h"
+#include "base/message_pump_aurax11.h"
 #endif
 
 using base::TimeTicks;
 using ui::Compositor;
 using ui::Layer;
 using ui::LayerDelegate;
 using WebKit::WebGraphicsContext3D;
 
 namespace {
 
@@ skipping 274 matching lines @@
 #endif
 
   root_window->ShowRootWindow();
   MessageLoopForUI::current()->Run();
   root_window.reset();
 
   ui::CompositorTestSupport::Terminate();
 
   return 0;
 }