Revert of Report lost context from GLES2Implementation based on share group state.

gpu/command_buffer/service/in_process_command_buffer.cc

 // Copyright 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 "gpu/command_buffer/service/in_process_command_buffer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <queue>
@@ skipping 900 matching lines @@
     callback.Run();
   else
     query->AddCallback(callback);
 }
 
 void InProcessCommandBuffer::SetLock(base::Lock*) {
   // No support for using on multiple threads.
   NOTREACHED();
 }
 
+bool InProcessCommandBuffer::IsGpuChannelLost() {
+  // There is no such channel to lose for in-process contexts. This only
+  // makes sense for out-of-process command buffers.
+  return false;
+}
+
 void InProcessCommandBuffer::EnsureWorkVisible() {
   // This is only relevant for out-of-process command buffers.
 }
 
 CommandBufferNamespace InProcessCommandBuffer::GetNamespaceID() const {
   return CommandBufferNamespace::IN_PROCESS;
 }
 
 CommandBufferId InProcessCommandBuffer::GetCommandBufferID() const {
   return command_buffer_id_;
@@ skipping 124 matching lines @@
     framebuffer_completeness_cache_ =
         new gpu::gles2::FramebufferCompletenessCache;
   return framebuffer_completeness_cache_;
 }
 
 SyncPointManager* GpuInProcessThread::sync_point_manager() {
   return sync_point_manager_;
 }
 
 }  // namespace gpu