Use GLVersionInfo instead of gl::GetGLImplementation() to decide GL paths

gpu/command_buffer/service/gles2_cmd_decoder_passthrough.h

 // Copyright (c) 2016 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.
 
 // This file contains the GLES2DecoderPassthroughImpl class.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_PASSTHROUGH_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_PASSTHROUGH_H_
 
 #include "base/memory/ref_counted.h"
@@ skipping 55 matching lines @@
 
   // Gets the GLES2 Util which holds info.
   GLES2Util* GetGLES2Util() override;
 
   // Gets the associated GLContext.
   gl::GLContext* GetGLContext() override;
 
   // Gets the associated ContextGroup
   ContextGroup* GetContextGroup() override;
 
+  const FeatureInfo* GetFeatureInfo() const override;
+
   Capabilities GetCapabilities() override;
 
   // Restores all of the decoder GL state.
   void RestoreState(const ContextState* prev_state) override;
 
   // Restore States.
   void RestoreActiveTexture() const override;
   void RestoreAllTextureUnitBindings(
       const ContextState* prev_state) const override;
   void RestoreActiveTextureUnitBinding(unsigned int target) const override;
@@ skipping 162 matching lines @@
 
 // Include the prototypes of all the doer functions from a separate header to
 // keep this file clean.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doer_prototypes.h"
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_PASSTHROUGH_H_