Add FontFaceDescriptors IDL dictionary

Source/bindings/core/v8/generated.gyp

 # 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.
 
 # Generate IDL bindings for core, plus aggregate bindings files.
 #
 # Design doc: http://www.chromium.org/developers/design-documents/idl-build
 
 {
   'includes': [
@@ skipping 113 matching lines @@
     # 'bindings_core_v8_generated_individual' target
     'target_name': 'bindings_core_dictionary_impl_generated',
     'type': 'none',
     'hard_dependency': 1,
     'dependencies': [
       '<(bindings_scripts_dir)/scripts.gyp:cached_jinja_templates',
       '<(bindings_scripts_dir)/scripts.gyp:cached_lex_yacc_tables',
       '../../modules/generated.gyp:interfaces_info',
     ],
     'sources': [
-      # FIXME: Add '<@(core_dictionary_idl_files)',
-      # See comment on core/core.gypi
+      '<@(core_dictionary_idl_files)',
       '<@(core_testing_dictionary_idl_files)',
     ],
     'actions': [{
       'action_name': 'idl_dictionary',
       # Mark as explicit idl action to prevent MSVS emulation on Windows.
       'explicit_idl_action': 1,
       'msvs_cygwin_shell': 0,
       'inputs': [
         '<@(core_testing_dictionary_idl_files)',
         '<@(idl_lexer_parser_files)',
         '<@(idl_cache_files)',
         '<@(idl_compiler_files)',
         '<(bindings_dir)/IDLExtendedAttributes.txt',
         '<(bindings_modules_output_dir)/InterfacesInfoModules.pickle',
       ],
       'outputs': [
-        # FIXME: Add '<@(generated_core_dictionary_files)',
-        # See comment on core/core.gypi
+        '<@(generated_core_dictionary_files)',
         '<@(generated_core_testing_dictionary_files)',
       ],
       'action': [
         'python',
         '<(bindings_scripts_dir)/idl_compiler.py',
         '--cache-dir',
         '<(bindings_scripts_output_dir)',
         '--output-dir',
         '<(SHARED_INTERMEDIATE_DIR)/blink/',
         '--interfaces-info',
@@ skipping 13 matching lines @@
     'type': 'none',
     'dependencies': [
       'bindings_core_dictionary_impl_generated',
       'bindings_core_v8_generated_aggregate',
       'bindings_core_v8_generated_individual',
     ],
   },
 ################################################################################
   ],  # targets
 }