exo: Add support for wl_drm version 2 to wayland bindings.

components/exo/display.h

Index: components/exo/display.h
diff --git a/components/exo/display.h b/components/exo/display.h
index 41099509a91c7ac0d73e024adc4ff14b49e8d211..92a4c1cb6da517e83841c0144bced90bc3ddb77a 100644
--- a/components/exo/display.h
+++ b/components/exo/display.h
@@ -9,12 +9,22 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory_handle.h"
 
+#if defined(USE_OZONE)
+#include "base/files/scoped_file.h"
+#include "ui/gfx/buffer_types.h"
+#include "ui/gfx/geometry/size.h"
+#endif
+
 namespace exo {
 class SharedMemory;
 class ShellSurface;
 class SubSurface;
 class Surface;
 
+#if defined(USE_OZONE)
+class Buffer;
+#endif
+
 // The core display class. This class provides functions for creating surfaces
 // and is in charge of combining the contents of multiple surfaces into one
 // displayable output.
@@ -32,6 +42,14 @@ class Display {
       const base::SharedMemoryHandle& handle,
       size_t size);
 
+#if defined(USE_OZONE)
+  // Creates a buffer for the prime fd.
+  scoped_ptr<Buffer> CreatePrimeBuffer(base::ScopedFD fd,
+                                       const gfx::Size& size,
+                                       gfx::BufferFormat format,
+                                       int stride);
+#endif
+
   // Creates a shell surface for an existing surface.
   scoped_ptr<ShellSurface> CreateShellSurface(Surface* surface);