NotForReview: Implement zero/one-copy texture for ozone freon using Intel DRM

ui/gfx/gpu_memory_buffer.h

Index: ui/gfx/gpu_memory_buffer.h
diff --git a/ui/gfx/gpu_memory_buffer.h b/ui/gfx/gpu_memory_buffer.h
index 5b1d47e31cda0f10a27c5552dc67bc4ce5c94919..da16687c75019322be568caa62c644e56118e56f 100644
--- a/ui/gfx/gpu_memory_buffer.h
+++ b/ui/gfx/gpu_memory_buffer.h
@@ -32,6 +32,9 @@ struct GFX_EXPORT GpuMemoryBufferHandle {
   base::SharedMemoryHandle handle;
 #if defined(OS_MACOSX)
   uint32 io_surface_id;
+#elif defined(USE_OZONE)
+  uint32 stride;

[reveman, 2015/04/13 00:46:13]

GpuMemoryBufferHandle should not be used to pass buffer configurations. The code
that determines the stride for a given format and size is ideally shared between
service and client.

+  base::SharedMemoryHandle device_handle;

[reveman, 2015/04/13 00:46:13]

Just use |handle| instead.

 #endif
 };