Update from https://crrev.com/318214

gpu/command_buffer/common/gles2_cmd_utils.cc

 // Copyright (c) 2012 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 here so other GLES2 related files can have a common set of
 // includes where appropriate.
 
 #include <sstream>
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
@@ skipping 311 matching lines @@
       return 1;
     case GL_VERTEX_ATTRIB_ARRAY_STRIDE:
       return 1;
     case GL_VERTEX_ATTRIB_ARRAY_TYPE:
       return 1;
     case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED:
       return 1;
     case GL_CURRENT_VERTEX_ATTRIB:
       return 4;
 
+    // -- glGetSynciv
+    case GL_OBJECT_TYPE:
+      return 1;
+    case GL_SYNC_STATUS:
+      return 1;
+    case GL_SYNC_CONDITION:
+      return 1;
+    case GL_SYNC_FLAGS:
+      return 1;
+
     // -- glHint with GL_OES_standard_derivatives
     case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES:
       return 1;
 
     // Chromium internal bind_generates_resource query
     case GL_BIND_GENERATES_RESOURCE_CHROMIUM:
       return 1;
 
     // bad enum
     default:
@@ skipping 664 matching lines @@
   }
 
   return true;
 }
 
 #include "gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu