Blink-in-JS: Support partial interfaces in private scripts

Source/bindings/core/idl.gypi

 # 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.
 
 # IDL file lists; see: http://www.chromium.org/developers/web-idl-interfaces
 
 {
   'includes': [
     '../../core/core.gypi',
     'generated.gypi',
@@ skipping 39 matching lines @@
       '<@(core_generated_dependency_idl_files)',
     ],
 
     # Static IDL files
     'core_static_interface_idl_files': [
       '<@(core_idl_files)',
       '<@(webcore_testing_idl_files)',
     ],
     'core_static_dependency_idl_files': [
       '<@(core_dependency_idl_files)',
+      '<@(webcore_testing_dependency_idl_files)',
     ],
 
     # Generated IDL files
     'core_generated_interface_idl_files': [
       '<@(generated_webcore_testing_idl_files)',  # interfaces
     ],
 
     'core_generated_dependency_idl_files': [
       '<@(core_global_constructors_generated_idl_files)',  # partial interfaces
     ],
   },
 }