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

gpu/command_buffer/client/gles2_implementation.h

 // Copyright (c) 2012 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.
 
 #ifndef GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_
 #define GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 799 matching lines @@
   scoped_refptr<ShareGroup> share_group_;
   ShareGroupContextData share_group_context_data_;
 
   std::unique_ptr<QueryTracker> query_tracker_;
   std::unique_ptr<IdAllocator> query_id_allocator_;
 
   std::unique_ptr<BufferTracker> buffer_tracker_;
 
   base::Callback<void(const char*, int32_t)> error_message_callback_;
   base::Closure lost_context_callback_;
-  bool lost_context_callback_run_ = false;
+#if DCHECK_IS_ON()
+  bool lost_context_ = false;
+#endif
 
   int current_trace_stack_;
 
   GpuControl* gpu_control_;
 
   Capabilities capabilities_;
 
   // Flag to indicate whether the implementation can retain resources, or
   // whether it should aggressively free them.
   bool aggressively_free_resources_;
@@ skipping 48 matching lines @@
 
 inline bool GLES2Implementation::GetTexParameterivHelper(
     GLenum /* target */, GLenum /* pname */, GLint* /* params */) {
   return false;
 }
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_