Revert of Fix EXT_draw_buffers detection on some GL ES 3 contexts

gpu/command_buffer/service/gles2_cmd_decoder.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.cc b/gpu/command_buffer/service/gles2_cmd_decoder.cc
index 8d7bfa800c34fb9c68771d6da66a4acd07b5511e..059ab5b2c2957868d2b7472fca7a6cf6507c0f98 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.cc
@@ -3825,6 +3825,8 @@
       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;
@@ -3845,6 +3847,8 @@
           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;