Add command buffer support for GL_EXT_texture_sRGB_decode

gpu/command_buffer/service/texture_manager.cc

Index: gpu/command_buffer/service/texture_manager.cc
diff --git a/gpu/command_buffer/service/texture_manager.cc b/gpu/command_buffer/service/texture_manager.cc
index b02272b86a24c7937440bbe28a2d8a531f65484b..8522da80be3306211ffca213d5b2ac572f301a30 100644
--- a/gpu/command_buffer/service/texture_manager.cc
+++ b/gpu/command_buffer/service/texture_manager.cc
@@ -1353,6 +1353,11 @@ GLenum Texture::SetParameteri(
       }
       swizzle_a_ = param;
       break;
+    case GL_TEXTURE_SRGB_DECODE_EXT:
+      if (!feature_info->validators()->texture_srgb_decode_ext.IsValid(param)) {
+        return GL_INVALID_ENUM;
+      }
+      break;
     case GL_TEXTURE_IMMUTABLE_FORMAT:
     case GL_TEXTURE_IMMUTABLE_LEVELS:
       return GL_INVALID_ENUM;