GL_TEXTURE_IMMUTABLE_FORMAT_EXT  203 gpu/command_buffer/common/gles2_cmd_utils.cc     case GL_TEXTURE_IMMUTABLE_FORMAT_EXT:
GL_TEXTURE_IMMUTABLE_FORMAT_EXT  667 gpu/command_buffer/service/feature_info.cc     validators_.texture_parameter.AddValue(GL_TEXTURE_IMMUTABLE_FORMAT_EXT);
GL_TEXTURE_IMMUTABLE_FORMAT_EXT   75 gpu/command_buffer/tests/gl_texture_storage_unittest.cc   glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_IMMUTABLE_FORMAT_EXT, &param);