IDL build: factor out global objects action into a GYP template

Source/bindings/core/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 interfaces info for core, used to generate bindings
 #
 # Design doc: http://www.chromium.org/developers/design-documents/idl-build
 
 {
   'includes': [
     # ../.. == Source
-    '../../bindings/bindings.gypi',
     '../../bindings/scripts/scripts.gypi',
     '../../core/core.gypi',
     'core.gypi',
     'generated.gypi',
     'idl.gypi',
   ],
 
   'targets': [
 ################################################################################
   {
     'target_name': 'core_global_objects',

[Nils Barth (inactive), 2014/06/06 05:28:43]

A bit simpler, no?

-    'type': 'none',
-    'actions': [{
-      'action_name': 'compute_core_global_objects',
-      'inputs': [
-        '<(bindings_scripts_dir)/compute_global_objects.py',
-        '<(bindings_scripts_dir)/utilities.py',
-        # Only look in main IDL files (exclude dependencies and testing,
-        # which should not define global objects).
-        '<(core_idl_files_list)',
-        '<@(core_idl_files)',
-      ],
-      'outputs': [
-        '<(bindings_core_output_dir)/GlobalObjectsCore.pickle',
-      ],
-      'action': [
-        'python',
-        '<(bindings_scripts_dir)/compute_global_objects.py',
-        '--idl-files-list',
-        '<(core_idl_files_list)',
-        '--write-file-only-if-changed',
-        '<(write_file_only_if_changed)',
-        '--',
-        '<(bindings_core_output_dir)/GlobalObjectsCore.pickle',
-       ],
-       'message': 'Computing global objects in core',
-      }]
+    'variables': {
+      'idl_files': '<(core_idl_files)',
+      'output_file': '<(bindings_core_output_dir)/GlobalObjectsCore.pickle',
+    },
+    'includes': ['../../bindings/scripts/global_objects.gypi'],
   },
 ################################################################################
   {
     'target_name': 'core_global_constructors_idls',
     'type': 'none',
     'dependencies': [
         'core_global_objects',
     ],
     'actions': [{
       'action_name': 'generate_core_global_constructors_idls',
@@ skipping 65 matching lines @@
         '--',
         # Generated files must be passed at command line
         '<@(core_generated_idl_files)',
       ],
       'message': 'Computing global information about individual IDL files',
       }]
   },
 ################################################################################
   ],  # targets
 }