Revert of Make lost context and error message callbacks on GpuControl go to client

content/common/gpu/client/context_provider_command_buffer.cc

 // Copyright (c) 2013 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 "content/common/gpu/client/context_provider_command_buffer.h"
 
 #include <stddef.h>
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 155 matching lines @@
   DCHECK(context_thread_checker_.CalledOnValidThread());
 
   if (gr_context_)
     gr_context_->FreeGpuResources();
 }
 
 void ContextProviderCommandBuffer::OnLostContext() {
   DCHECK(context_thread_checker_.CalledOnValidThread());
 
   if (!lost_context_callback_.is_null())
-    lost_context_callback_.Run();
+    base::ResetAndReturn(&lost_context_callback_).Run();
   if (gr_context_)
     gr_context_->OnLostContext();
 }
 
 void ContextProviderCommandBuffer::InitializeCapabilities() {
   Capabilities caps;
   caps.gpu = context3d_->GetImplementation()->capabilities();
 
   size_t mapped_memory_limit = context3d_->GetMappedMemoryLimit();
   caps.max_transfer_buffer_usage_bytes =
       mapped_memory_limit == WebGraphicsContext3DCommandBufferImpl::kNoLimit
       ? std::numeric_limits<size_t>::max() : mapped_memory_limit;
 
   capabilities_ = caps;
 }
 
 void ContextProviderCommandBuffer::SetLostContextCallback(
     const LostContextCallback& lost_context_callback) {
   DCHECK(context_thread_checker_.CalledOnValidThread());
   DCHECK(lost_context_callback_.is_null() ||
          lost_context_callback.is_null());
   lost_context_callback_ = lost_context_callback;
 }
 
 }  // namespace content