ui: Add EGL_ANDROID_native_fence_sync support.

gpu/ipc/service/gpu_channel.cc

Index: gpu/ipc/service/gpu_channel.cc
diff --git a/gpu/ipc/service/gpu_channel.cc b/gpu/ipc/service/gpu_channel.cc
index 9f3df9f3c88c7e73697fa64831a42bbab9a1d24c..25e8b573b8e92bb0b49391805e462e33436351b5 100644
--- a/gpu/ipc/service/gpu_channel.cc
+++ b/gpu/ipc/service/gpu_channel.cc
@@ -1076,14 +1076,7 @@ scoped_refptr<gl::GLImage> GpuChannel::CreateImageForGpuMemoryBuffer(
 
 scoped_refptr<gl::GLFence> GpuChannel::CreateFenceForGpuFence(
     const gfx::GpuFenceHandle& handle) {
-#if defined(OS_LINUX)
-  base::ScopedFD libsync_fd(handle.fd.fd);
-  if (libsync_fd.is_valid())
-    return make_scoped_refptr(new gl::GLFenceLibsync(std::move(libsync_fd)));
-#endif
-
-  return make_scoped_refptr(
-      new gl::GLFenceSharedEvent(handle.shared_event_handle));
+  return gl::GLFence::CreateFromGpuFenceHandle(handle);
 }
 
 }  // namespace gpu