command_buffer: expose SRC_ALPHA_SATURATE when on GLES 3

gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h

 // Copyright 2014 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.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 3666 matching lines @@
       {GL_DST_COLOR, "GL_DST_COLOR"},
       {GL_ONE_MINUS_DST_COLOR, "GL_ONE_MINUS_DST_COLOR"},
       {GL_SRC_ALPHA, "GL_SRC_ALPHA"},
       {GL_ONE_MINUS_SRC_ALPHA, "GL_ONE_MINUS_SRC_ALPHA"},
       {GL_DST_ALPHA, "GL_DST_ALPHA"},
       {GL_ONE_MINUS_DST_ALPHA, "GL_ONE_MINUS_DST_ALPHA"},
       {GL_CONSTANT_COLOR, "GL_CONSTANT_COLOR"},
       {GL_ONE_MINUS_CONSTANT_COLOR, "GL_ONE_MINUS_CONSTANT_COLOR"},
       {GL_CONSTANT_ALPHA, "GL_CONSTANT_ALPHA"},
       {GL_ONE_MINUS_CONSTANT_ALPHA, "GL_ONE_MINUS_CONSTANT_ALPHA"},
+      {GL_SRC_ALPHA_SATURATE, "GL_SRC_ALPHA_SATURATE"},
   };
   return GLES2Util::GetQualifiedEnumString(string_table,
                                            arraysize(string_table), value);
 }
 
 std::string GLES2Util::GetStringEquation(uint32_t value) {
   static const EnumToString string_table[] = {
       {GL_FUNC_ADD, "GL_FUNC_ADD"},
       {GL_FUNC_SUBTRACT, "GL_FUNC_SUBTRACT"},
       {GL_FUNC_REVERSE_SUBTRACT, "GL_FUNC_REVERSE_SUBTRACT"},
@@ skipping 1312 matching lines @@
 
 std::string GLES2Util::GetStringVertexPointer(uint32_t value) {
   static const EnumToString string_table[] = {
       {GL_VERTEX_ATTRIB_ARRAY_POINTER, "GL_VERTEX_ATTRIB_ARRAY_POINTER"},
   };
   return GLES2Util::GetQualifiedEnumString(string_table,
                                            arraysize(string_table), value);
 }
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_UTILS_IMPLEMENTATION_AUTOGEN_H_