IDL build: Split global objects computation from global constructors computation

Source/bindings/generated.gyp

 #
 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 24 matching lines @@
 
 {
   'includes': [
     'bindings.gypi',
     'idl.gypi',
   ],
 
   'targets': [
 ################################################################################
   {
+    # FIXME: Generate separate core_global_objects
+    # http://crbug.com/358074
+    'target_name': 'global_objects',
+    'type': 'none',
+    'actions': [{
+      'action_name': 'compute_global_objects',
+      'inputs': [
+        'scripts/compute_global_objects.py',
+        'scripts/utilities.py',
+        # Only look in main IDL files (exclude dependencies and testing,
+        # which should not define global objects).
+        '<(main_interface_idl_files_list)',
+        '<@(main_interface_idl_files)',
+      ],
+      'outputs': [
+        '<(bindings_output_dir)/GlobalObjects.pickle',
+      ],
+      'action': [
+        'python',
+        'scripts/compute_global_objects.py',
+        '--idl-files-list',
+        '<(main_interface_idl_files_list)',
+        '--write-file-only-if-changed',
+        '<(write_file_only_if_changed)',
+        '--',
+        '<(bindings_output_dir)/GlobalObjects.pickle',
+       ],
+       'message': 'Computing global objects',
+      }]
+  },
+################################################################################
+  {
     # FIXME: Global constructors are used by bindings_core (e.g., V8Window.cpp)
     # but depend on modules, which violates layering http://crbug.com/358074
     # FIXME: Generate separate core_global_constructors_idls
     # http://crbug.com/358074
     'target_name': 'global_constructors_idls',
     'type': 'none',
+    'dependencies': [
+      'global_objects',
+    ],
     'actions': [{
       'action_name': 'generate_global_constructors_idls',
       'inputs': [
         'scripts/generate_global_constructors.py',
         'scripts/utilities.py',
         # Only includes main IDL files (exclude dependencies and testing,
         # which should not appear on global objects).
         '<(main_interface_idl_files_list)',
         '<@(main_interface_idl_files)',
+        '<(bindings_output_dir)/GlobalObjects.pickle',
       ],
       'outputs': [
         '<@(generated_global_constructors_idl_files)',
         '<@(generated_global_constructors_header_files)',
       ],
       'action': [
         'python',
         'scripts/generate_global_constructors.py',
         '--idl-files-list',
         '<(main_interface_idl_files_list)',
+        '--global-objects-file',
+        '<(bindings_output_dir)/GlobalObjects.pickle',
         '--write-file-only-if-changed',
         '<(write_file_only_if_changed)',
         '--',
         'Window',
         '<(blink_output_dir)/WindowConstructors.idl',
         'SharedWorkerGlobalScope',
         '<(blink_output_dir)/SharedWorkerGlobalScopeConstructors.idl',
         'DedicatedWorkerGlobalScope',
         '<(blink_output_dir)/DedicatedWorkerGlobalScopeConstructors.idl',
         'ServiceWorkerGlobalScope',
         '<(blink_output_dir)/ServiceWorkerGlobalScopeConstructors.idl',
        ],
        'message': 'Generating IDL files for constructors on global objects',
       }]
   },
 ################################################################################
   {
     'target_name': 'generated_idls',
     'type': 'none',
     'dependencies': [
       '../core/core_generated.gyp:generated_testing_idls',
       'global_constructors_idls',
       ],
   }
 ################################################################################
   ],  # targets
 }