[WIP][NotForLand] IDL dictionary support

Source/bindings/core/v8/generated.gyp

Index: Source/bindings/core/v8/generated.gyp
diff --git a/Source/bindings/core/v8/generated.gyp b/Source/bindings/core/v8/generated.gyp
index 6a61c2e7a4da4a21776f49251ab2f938061acb4a..e92a684297cc52e376c14b2c6c98bc52ec19064a 100644
--- a/Source/bindings/core/v8/generated.gyp
+++ b/Source/bindings/core/v8/generated.gyp
@@ -86,6 +86,8 @@
         '<(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',
@@ -122,10 +124,35 @@
   },
 ################################################################################
   {
+    # 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',
     ],