Mac CoreAnimation compositor in the browser process

gpu/ipc/client/gpu_memory_buffer_impl_io_surface.cc

Index: gpu/ipc/client/gpu_memory_buffer_impl_io_surface.cc
diff --git a/gpu/ipc/client/gpu_memory_buffer_impl_io_surface.cc b/gpu/ipc/client/gpu_memory_buffer_impl_io_surface.cc
index dbf3f2166f22923d13942170363ea8bf78759eb2..b06795c934ac99113bdcfe00db1540a492a6b0ca 100644
--- a/gpu/ipc/client/gpu_memory_buffer_impl_io_surface.cc
+++ b/gpu/ipc/client/gpu_memory_buffer_impl_io_surface.cc
@@ -84,6 +84,10 @@ base::Closure GpuMemoryBufferImplIOSurface::AllocateForTesting(
   return base::Bind(&NoOp);
 }
 
+void* GpuMemoryBufferImplIOSurface::GetIOSurface() {
+  return io_surface_.get();
+}
+
 bool GpuMemoryBufferImplIOSurface::Map() {
   DCHECK(!mapped_);
   IOReturn status = IOSurfaceLock(io_surface_, lock_flags_, NULL);