ui: Add Linux dma-buf implementation of GLImage.

ui/gl/gl_image_linux_dma_buffer.h

Index: ui/gl/gl_image_linux_dma_buffer.h
diff --git a/ui/gl/gl_image_linux_dma_buffer.h b/ui/gl/gl_image_linux_dma_buffer.h
new file mode 100644
index 0000000000000000000000000000000000000000..e6063ee6d5f28aa6f11244aa90c6be08ac92656d
--- /dev/null
+++ b/ui/gl/gl_image_linux_dma_buffer.h
@@ -0,0 +1,31 @@
+// Copyright (c) 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.
+
+#ifndef UI_GL_GL_IMAGE_LINUX_DMA_BUFFER_H_
+#define UI_GL_GL_IMAGE_LINUX_DMA_BUFFER_H_
+
+#include "ui/gl/gl_image_egl.h"
+
+namespace gfx {
+
+class GL_EXPORT GLImageLinuxDMABuffer : public GLImageEGL {
+ public:
+  GLImageLinuxDMABuffer(gfx::Size size, unsigned internalformat);
+
+  // Note: this expects the first sample to be stored at offset 0 in dma_buf and
+  // stride to be a multiple of 64.
+  bool Initialize(gfx::GpuMemoryBufferHandle buffer);
+
+ protected:
+  virtual ~GLImageLinuxDMABuffer();
+
+ private:
+  unsigned internalformat_;
+
+  DISALLOW_COPY_AND_ASSIGN(GLImageLinuxDMABuffer);
+};
+
+}  // namespace gfx
+
+#endif  // UI_GL_GL_IMAGE_LINUX_DMA_BUFFER_H_