ozone: Implement zero/one-copy texture for Ozone GBM.

ui/gl/gl_image_linux_dma_buffer.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_linux_dma_buffer.h"
 
 #include <unistd.h>
 
 #define FOURCC(a, b, c, d)                                    \
   ((static_cast<uint32>(a)) | (static_cast<uint32>(b) << 8) | \
@@ skipping 97 matching lines @@
                     size_.height(),
                     EGL_LINUX_DRM_FOURCC_EXT,
                     FourCC(format),
                     EGL_DMA_BUF_PLANE0_FD_EXT,
                     handle.fd,
                     EGL_DMA_BUF_PLANE0_OFFSET_EXT,
                     0,
                     EGL_DMA_BUF_PLANE0_PITCH_EXT,
                     pitch,
                     EGL_NONE};
-  return GLImageEGL::Initialize(
-      EGL_LINUX_DMA_BUF_EXT, static_cast<EGLClientBuffer>(NULL), attrs);
+  return GLImageEGL::Initialize(EGL_LINUX_DMA_BUF_EXT,
+                                static_cast<EGLClientBuffer>(nullptr), attrs);

[reveman, 2015/05/11 16:40:56]

nit: I'd avoid this style change and leave this file unchanged unless it's
necessary as part of this patch.

[dshwang, 2015/05/14 12:25:47]

Done.

 }
 
 }  // namespace gfx