Update from https://crrev.com/320931

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // 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.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include <stdio.h>
 
 #include <algorithm>
 #include <list>
@@ skipping 7098 matching lines @@
 }
 
 void GLES2DecoderImpl::DoTransformFeedbackVaryings(
     GLuint client_program_id, GLsizei count, const char* const* varyings,
     GLenum buffer_mode) {
   Program* program = GetProgramInfoNotShader(
       client_program_id, "glTransformFeedbackVaryings");
   if (!program) {
     return;
   }
+  program->TransformFeedbackVaryings(count, varyings, buffer_mode);
   glTransformFeedbackVaryings(
       program->service_id(), count, varyings, buffer_mode);
 }
 
 void GLES2DecoderImpl::DoCompileShader(GLuint client_id) {
   TRACE_EVENT0("gpu", "GLES2DecoderImpl::DoCompileShader");
   Shader* shader = GetShaderInfoNotProgram(client_id, "glCompileShader");
   if (!shader) {
     return;
   }
@@ skipping 5288 matching lines @@
   }
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu