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

ui/gl/gl_image_ref_counted_memory.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/gl_image_ref_counted_memory.h"
+
+#include "base/logging.h"
+#include "base/memory/ref_counted_memory.h"
+
+namespace gfx {
+
+GLImageRefCountedMemory::GLImageRefCountedMemory(const gfx::Size& size,
+                                                 unsigned internalformat)
+    : GLImageMemory(size, internalformat) {
+}
+
+GLImageRefCountedMemory::~GLImageRefCountedMemory() {
+  Destroy();
+}
+
+bool GLImageRefCountedMemory::Initialize(
+    base::RefCountedMemory* ref_counted_memory) {
+  if (!HasValidFormat())
+    return false;
+
+  DCHECK(!ref_counted_memory_);
+  ref_counted_memory_ = ref_counted_memory;
+  GLImageMemory::Initialize(ref_counted_memory_->front());
+  return true;
+}
+
+void GLImageRefCountedMemory::Destroy() {
+  GLImageMemory::Destroy();
+  ref_counted_memory_ = NULL;
+}
+
+}  // namespace gfx