Fix EXT_draw_buffers detection on some GL ES 3 contexts

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 3807 matching lines @@
   ShShaderSpec shader_spec;
   switch (feature_info_->context_type()) {
     case CONTEXT_TYPE_WEBGL1:
       shader_spec = SH_WEBGL_SPEC;
       resources.OES_standard_derivatives = derivatives_explicitly_enabled_;
       resources.EXT_frag_depth = frag_depth_explicitly_enabled_;
       resources.EXT_draw_buffers = draw_buffers_explicitly_enabled_;
       if (!draw_buffers_explicitly_enabled_)
         resources.MaxDrawBuffers = 1;
       resources.EXT_shader_texture_lod = shader_texture_lod_explicitly_enabled_;
-      resources.NV_draw_buffers =
-          draw_buffers_explicitly_enabled_ && features().nv_draw_buffers;
       break;
     case CONTEXT_TYPE_WEBGL2:
       shader_spec = SH_WEBGL2_SPEC;
       break;
     case CONTEXT_TYPE_OPENGLES2:
       shader_spec = SH_GLES2_SPEC;
       resources.OES_standard_derivatives =
           features().oes_standard_derivatives ? 1 : 0;
       resources.ARB_texture_rectangle =
           features().arb_texture_rectangle ? 1 : 0;
       resources.OES_EGL_image_external =
           features().oes_egl_image_external ? 1 : 0;
       resources.NV_EGL_stream_consumer_external =
           features().nv_egl_stream_consumer_external ? 1 : 0;
       resources.EXT_draw_buffers =
           features().ext_draw_buffers ? 1 : 0;
       resources.EXT_frag_depth =
           features().ext_frag_depth ? 1 : 0;
       resources.EXT_shader_texture_lod =
           features().ext_shader_texture_lod ? 1 : 0;
-      resources.NV_draw_buffers =
-          features().nv_draw_buffers ? 1 : 0;
       resources.EXT_blend_func_extended =
           features().ext_blend_func_extended ? 1 : 0;
       break;
     case CONTEXT_TYPE_OPENGLES3:
       shader_spec = SH_GLES3_SPEC;
       resources.ARB_texture_rectangle =
           features().arb_texture_rectangle ? 1 : 0;
       resources.OES_EGL_image_external =
           features().oes_egl_image_external ? 1 : 0;
       resources.NV_EGL_stream_consumer_external =
@@ skipping 15389 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