ui: Add ref-counting to GLFence class.

gpu/command_buffer/tests/gl_manager.cc

Index: gpu/command_buffer/tests/gl_manager.cc
diff --git a/gpu/command_buffer/tests/gl_manager.cc b/gpu/command_buffer/tests/gl_manager.cc
index 8369653e4f8094dcf76108d5d91f4d16ce0248de..825d7307d9daf3bfcbcdcd5b61019727597cb0e3 100644
--- a/gpu/command_buffer/tests/gl_manager.cc
+++ b/gpu/command_buffer/tests/gl_manager.cc
@@ -678,14 +678,14 @@ int32_t GLManager::CreateFence(ClientFence fence) {
   GpuFenceImpl* gpu_fence = GpuFenceImpl::FromClientFence(fence);
 
   gfx::GpuFenceHandle handle = gpu_fence->GetHandle();
-  std::unique_ptr<gl::GLFenceSharedEvent> gl_fence(new gl::GLFenceSharedEvent(
+  scoped_refptr<gl::GLFenceSharedEvent> gl_fence(new gl::GLFenceSharedEvent(
       gfx::SharedEvent::DuplicateHandle(handle.shared_event_handle)));
 
   static int32_t next_id = 1;
   int32_t new_id = next_id++;
   gpu::gles2::FenceManager* fence_manager = decoder_->GetFenceManager();
   DCHECK(fence_manager);
-  fence_manager->AddFence(std::move(gl_fence), new_id);
+  fence_manager->AddFence(gl_fence.get(), new_id);
   return new_id;
 }