IDL: Add build target for IDL dictionary impl generation in core

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..d11b431d09d320b650a425774ab5627ed73eb595 100644
--- a/Source/bindings/core/v8/generated.gyp
+++ b/Source/bindings/core/v8/generated.gyp
@@ -122,10 +122,61 @@
   },
 ################################################################################
   {
+    # GN version: //third_party/WebKit/Source/bindings/core/v8:bindings_core_dictionary_impl_generated
+    # http://crbug.com/358074; See comments on
+    # '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)',
+      '<@(core_testing_dictionary_idl_files)',
+    ],
+    'actions': [{
+      'action_name': 'idl_dictionary',
+      'inputs': [
+        '<@(core_testing_dictionary_idl_files)',
+        '<@(idl_lexer_parser_files)',
+        '<@(idl_compiler_files)',
+        '<(bindings_scripts_output_dir)/lextab.py',
+        '<(bindings_scripts_output_dir)/parsetab.pickle',
+        '<(bindings_scripts_output_dir)/cached_jinja_templates.stamp',
+        '<(bindings_dir)/IDLExtendedAttributes.txt',
+        '<(bindings_modules_output_dir)/InterfacesInfoModules.pickle',
+      ],
+      'outputs': [
+        # FIXME: Add '<@(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',
+        '<(bindings_modules_output_dir)/InterfacesInfoModules.pickle',
+        '--write-file-only-if-changed',
+        '<(write_file_only_if_changed)',
+        '--generate-dictionary-impl',
+        '<(core_dictionary_idl_files_list)',
+      ],
+      'message': 'Generating core IDL dictionary impl classes',
+    }],
+  },
+################################################################################
+  {
     # GN version: //third_party/WebKit/Source/bindings/core/v8:bindings_core_v8_generated
     'target_name': 'bindings_core_v8_generated',
     'type': 'none',
     'dependencies': [
+      'bindings_core_dictionary_impl_generated',
       'bindings_core_v8_generated_aggregate',
       'bindings_core_v8_generated_individual',
     ],