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

components/mus/surfaces/surfaces_context_provider.cc

Index: components/mus/surfaces/surfaces_context_provider.cc
diff --git a/components/mus/surfaces/surfaces_context_provider.cc b/components/mus/surfaces/surfaces_context_provider.cc
index 434ad60d3a3c1a754c7e6cc5a65fa3358ae71a9b..c93531bdef2d1ccdd35a3328332a5bb036a686fb 100644
--- a/components/mus/surfaces/surfaces_context_provider.cc
+++ b/components/mus/surfaces/surfaces_context_provider.cc
@@ -92,7 +92,7 @@ base::Lock* SurfacesContextProvider::GetLock() {
 
 void SurfacesContextProvider::SetLostContextCallback(
     const LostContextCallback& lost_context_callback) {
-  lost_context_callback_ = lost_context_callback;
+  implementation_->SetLostContextCallback(lost_context_callback);
 }
 
 SurfacesContextProvider::~SurfacesContextProvider() {
@@ -110,10 +110,6 @@ void SurfacesContextProvider::UpdateVSyncParameters(int64_t timebase,
     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);