ui: Add ref-counting to GLFence class.

gpu/ipc/service/gpu_command_buffer_stub.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/ipc/service/gpu_command_buffer_stub.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 1037 matching lines @@
   if (!decoder_)
     return;
 
   gles2::FenceManager* fence_manager = decoder_->GetFenceManager();
   DCHECK(fence_manager);
   if (fence_manager->LookupFence(id)) {
     LOG(ERROR) << "Fence already exists with same ID.";
     return;
   }
 
-  std::unique_ptr<gl::GLFence> fence =
-      channel()->CreateFenceForGpuFence(handle);
+  scoped_refptr<gl::GLFence> fence = channel()->CreateFenceForGpuFence(handle);
   if (!fence) {
     DLOG(ERROR) << "Failed to create GLFence from GpuFence handle.";
     return;
   }
 
-  fence_manager->AddFence(std::move(fence), id);
+  fence_manager->AddFence(fence.get(), id);
 }
 
 void GpuCommandBufferStub::OnDestroyFence(int32_t id) {
   TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnDestroyFence");
 
   if (!decoder_)
     return;
 
   gles2::FenceManager* fence_manager = decoder_->GetFenceManager();
   DCHECK(fence_manager);
@@ skipping 82 matching lines @@
   Send(new GpuCommandBufferMsg_SwapBuffersCompleted(route_id_, params));
 }
 
 void GpuCommandBufferStub::SendUpdateVSyncParameters(base::TimeTicks timebase,
                                                      base::TimeDelta interval) {
   Send(new GpuCommandBufferMsg_UpdateVSyncParameters(route_id_, timebase,
                                                      interval));
 }
 
 }  // namespace gpu