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

components/mus/surfaces/surfaces_context_provider.cc

 // Copyright 2014 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 "components/mus/surfaces/surfaces_context_provider.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 74 matching lines @@
 }
 
 void SurfacesContextProvider::SetupLock() {}
 
 base::Lock* SurfacesContextProvider::GetLock() {
   return &context_lock_;
 }
 
 void SurfacesContextProvider::SetLostContextCallback(
     const LostContextCallback& lost_context_callback) {
-  implementation_->SetLostContextCallback(lost_context_callback);
+  lost_context_callback_ = lost_context_callback;
 }
 
 SurfacesContextProvider::~SurfacesContextProvider() {
   implementation_->Flush();
   implementation_.reset();
   transfer_buffer_.reset();
   gles2_helper_.reset();
   command_buffer_local_->Destroy();
   command_buffer_local_ = nullptr;
 }
 
 void SurfacesContextProvider::UpdateVSyncParameters(int64_t timebase,
                                                     int64_t interval) {
   if (delegate_)
     delegate_->OnVSyncParametersUpdated(timebase, interval);
 }
 
+void SurfacesContextProvider::DidLoseContext() {
+  lost_context_callback_.Run();
+}
+
 void SurfacesContextProvider::GpuCompletedSwapBuffers(gfx::SwapResult result) {
   if (!swap_buffers_completion_callback_.is_null()) {
     swap_buffers_completion_callback_.Run(result);
   }
 }
 
 void SurfacesContextProvider::SetSwapBuffersCompletionCallback(
     gfx::GLSurface::SwapCompletionCallback callback) {
   swap_buffers_completion_callback_ = callback;
 }
 
 }  // namespace mus