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

components/mus/gles2/command_buffer_local.cc

Index: components/mus/gles2/command_buffer_local.cc
diff --git a/components/mus/gles2/command_buffer_local.cc b/components/mus/gles2/command_buffer_local.cc
index ba2f12db9e02d033bc65ae26dba2898b3bf96ea7..23a8fd1e50fdae5a3e34160fa76ca384c2e2174e 100644
--- a/components/mus/gles2/command_buffer_local.cc
+++ b/components/mus/gles2/command_buffer_local.cc
@@ -16,7 +16,6 @@
 #include "components/mus/gles2/gpu_state.h"
 #include "components/mus/gles2/mojo_buffer_backing.h"
 #include "components/mus/gles2/mojo_gpu_memory_buffer.h"
-#include "gpu/command_buffer/client/gpu_control_client.h"
 #include "gpu/command_buffer/common/gpu_memory_buffer_support.h"
 #include "gpu/command_buffer/common/sync_token.h"
 #include "gpu/command_buffer/service/command_buffer_service.h"
@@ -77,12 +76,10 @@
       gpu_state_(gpu_state),
       client_(client),
       client_thread_task_runner_(base::ThreadTaskRunnerHandle::Get()),
-      gpu_control_client_(nullptr),
       next_transfer_buffer_id_(0),
       next_image_id_(0),
       next_fence_sync_release_(1),
       flushed_fence_sync_release_(0),
-      lost_context_(false),
       sync_point_client_waiter_(
           gpu_state->sync_point_manager()->CreateSyncPointClientWaiter()),
       weak_factory_(this) {
@@ -217,10 +214,6 @@
       driver_.get(),
       base::Bind(&CommandBufferLocal::DestroyTransferBufferOnGpuThread,
                  base::Unretained(this), id));
-}
-
-void CommandBufferLocal::SetGpuControlClient(gpu::GpuControlClient* client) {
-  gpu_control_client_ = client;
 }
 
 gpu::Capabilities CommandBufferLocal::GetCapabilities() {
@@ -548,10 +541,8 @@
 }
 
 void CommandBufferLocal::DidLoseContextOnClientThread(uint32_t reason) {
-  DCHECK(gpu_control_client_);
-  if (!lost_context_)
-    gpu_control_client_->OnGpuControlLostContext();
-  lost_context_ = true;
+  if (client_)
+    client_->DidLoseContext();
 }
 
 void CommandBufferLocal::UpdateVSyncParametersOnClientThread(int64_t timebase,