Remove SH_EMULATE_BUILT_IN_FUNCTIONS dependencies.

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 <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
@@ skipping 3695 matching lines @@
   }
 
   if (((shader_spec == SH_WEBGL_SPEC || shader_spec == SH_WEBGL2_SPEC) &&
        features().enable_shader_name_hashing) ||
       force_shader_name_hashing_for_test)
     resources.HashFunction = &CityHash64;
   else
     resources.HashFunction = NULL;
 
   int driver_bug_workarounds = 0;
-  if (workarounds().needs_glsl_built_in_function_emulation)
-    driver_bug_workarounds |= SH_EMULATE_BUILT_IN_FUNCTIONS;
   if (workarounds().init_gl_position_in_vertex_shader)
     driver_bug_workarounds |= SH_INIT_GL_POSITION;
   if (workarounds().unfold_short_circuit_as_ternary_operation)
     driver_bug_workarounds |= SH_UNFOLD_SHORT_CIRCUIT;
   if (workarounds().scalarize_vec_and_mat_constructor_args)
     driver_bug_workarounds |= SH_SCALARIZE_VEC_AND_MAT_CONSTRUCTOR_ARGS;
   if (workarounds().regenerate_struct_names)
     driver_bug_workarounds |= SH_REGENERATE_STRUCT_NAMES;
   if (workarounds().remove_pow_with_constant_exponent)
     driver_bug_workarounds |= SH_REMOVE_POW_WITH_CONSTANT_EXPONENT;
@@ skipping 14015 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 "base/macros.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu