[WIP][NotForLand] IDL dictionary support

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 68 matching lines @@
       # line (Python script + .idl file being processed).
       # Update that regex if command line changes (other than changing flags)
       'action': [
         'python',
         '-S',  # skip 'import site' to speed up startup
         '<(bindings_scripts_dir)/idl_compiler.py',
         '--cache-dir',
         '<(bindings_scripts_output_dir)',
         '--output-dir',
         '<(bindings_core_v8_output_dir)',
+        '--impl-output-dir',
+        '<(bindings_core_impl_output_dir)',
         '--interfaces-info',
         '<(bindings_modules_output_dir)/InterfacesInfoModules.pickle',
         '--write-file-only-if-changed',
         '<(write_file_only_if_changed)',
         '<(RULE_INPUT_PATH)',
       ],
       'message': 'Generating binding from <(RULE_INPUT_PATH)',
     }],
   },
 ################################################################################
@@ skipping 16 matching lines @@
         'core',
         '<(core_idl_files_list)',
         '--',
         '<@(bindings_core_v8_generated_aggregate_files)',
       ],
       'message': 'Generating aggregate generated core V8 bindings files',
     }],
   },
 ################################################################################
   {
+    # FIXME: Write GN version
+    'target_name': 'bindings_core_dictionaries_generated_aggregate',
+    'type': 'none',
+    'actions': [{
+      'action_name': 'generate_aggregate_dictionaries_core',
+      'inputs': [
+        '<(bindings_scripts_dir)/aggregate_generated_dictionaries.py',
+        '<(bindings_modules_output_dir)/InterfacesInfoModules.pickle',
+      ],
+      'outputs': [
+        '<(bindings_core_dictionaries_generated_aggregate_file)',
+      ],
+      'action': [
+        'python',
+        '<(bindings_scripts_dir)/aggregate_generated_dictionaries.py',
+        'core',
+        '<(bindings_modules_output_dir)/InterfacesInfoModules.pickle',
+        '<(bindings_core_dictionaries_generated_aggregate_file)',
+      ],
+      'message': 'Generating aggregate generated core IDL dictionary files',
+    }],
+  },
+################################################################################
+  {
     # GN version: //third_party/WebKit/Source/bindings/core/v8:bindings_core_v8_generated
     'target_name': 'bindings_core_v8_generated',
     'type': 'none',
     'dependencies': [
+      'bindings_core_dictionaries_generated_aggregate',
       'bindings_core_v8_generated_aggregate',
       'bindings_core_v8_generated_individual',
     ],
   },
 ################################################################################
   ],  # targets
 }