gpu: Remove Create/DeleteImage IPC by adding an X11_PIXMAP_BUFFER GpuMemoryBuffer type.

ui/gl/x11_pixmap_tracker.cc

 // Copyright 2014 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/gl/android/surface_texture_tracker.h"
+#include "ui/gl/x11_pixmap_tracker.h"
 
 #include "base/logging.h"
 
 namespace gfx {
 namespace {
-SurfaceTextureTracker* g_instance = NULL;
+X11PixmapTracker* g_instance = NULL;
 }  // namespace
 
 // static
-SurfaceTextureTracker* SurfaceTextureTracker::GetInstance() {
+X11PixmapTracker* X11PixmapTracker::GetInstance() {
   DCHECK(g_instance);
   return g_instance;
 }
 
 // static
-void SurfaceTextureTracker::InitInstance(SurfaceTextureTracker* tracker) {
+void X11PixmapTracker::InitInstance(X11PixmapTracker* tracker) {
   DCHECK(!g_instance);
   g_instance = tracker;
 }
 
 }  // namespace gfx