Update from https://crrev.com/308331

gpu/command_buffer/service/gles2_cmd_validation_autogen.h

Index: gpu/command_buffer/service/gles2_cmd_validation_autogen.h
diff --git a/gpu/command_buffer/service/gles2_cmd_validation_autogen.h b/gpu/command_buffer/service/gles2_cmd_validation_autogen.h
index 3436e96239bee882cdb044e490fb76b8c7db9b8e..fc650d2287c1fb01f64243f6087ef9729ebcd227 100644
--- a/gpu/command_buffer/service/gles2_cmd_validation_autogen.h
+++ b/gpu/command_buffer/service/gles2_cmd_validation_autogen.h
@@ -49,6 +49,7 @@ ValueValidator<GLenum> render_buffer_format;
 ValueValidator<GLenum> render_buffer_parameter;
 ValueValidator<GLenum> render_buffer_target;
 ValueValidator<GLenum> reset_status;
+ValueValidator<GLenum> sampler_parameter;
 ValueValidator<GLenum> shader_binary_format;
 ValueValidator<GLenum> shader_parameter;
 ValueValidator<GLenum> shader_precision;
@@ -69,6 +70,8 @@ ValueValidator<GLenum> texture_pool;
 ValueValidator<GLenum> texture_target;
 ValueValidator<GLenum> texture_usage;
 ValueValidator<GLenum> texture_wrap_mode;
+ValueValidator<GLenum> transform_feedback_bind_target;
+ValueValidator<GLenum> transform_feedback_primitive_mode;
 ValueValidator<GLenum> value_buffer_target;
 ValueValidator<GLint> vertex_attrib_size;
 ValueValidator<GLenum> vertex_attrib_type;