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

Source/core/core.gypi

Index: Source/core/core.gypi
diff --git a/Source/core/core.gypi b/Source/core/core.gypi
index d87a2bf99d43ae74852a79b11fffaed06f06c2c1..9f8c5692404387fffc0a4ef07767413af688a267 100644
--- a/Source/core/core.gypi
+++ b/Source/core/core.gypi
@@ -3303,7 +3303,16 @@
             'svg/properties/SVGAnimatedProperty.cpp',
             'svg/properties/SVGPropertyTearOff.cpp',
         ],
+        # FIXME: Add 'core_dictionary_idl_files' and
+        # 'generated_core_dictionary_files' variables.
+        # The variables should contain IDL dictionary files and generated files
+        'core_testing_dictionary_idl_files': [
+          'testing/TestingDictionary.idl',
+        ],
         'webcore_testing_idl_files': [
+          #'testing/TestingDictionary.idl',
+          #'<@(core_testing_dictionary_idl_files)',
+          'testing/DictionaryTest.idl',
           'testing/GarbageCollectedScriptWrappable.idl',
           'testing/GCObservation.idl',
           'testing/InternalProfilers.idl',
@@ -3320,9 +3329,16 @@
           '<(blink_core_output_dir)/InternalRuntimeFlags.idl',
           '<(blink_core_output_dir)/InternalSettingsGenerated.idl',
         ],
+        'generated_core_testing_dictionary_files': [
+          '<(blink_core_output_dir)/testing/TestingDictionary.cpp',
+          '<(blink_core_output_dir)/testing/TestingDictionary.h',
+        ],
         'webcore_testing_files': [
+            '<@(generated_core_testing_dictionary_files)',
             '<(blink_core_output_dir)/InternalSettingsGenerated.cpp',
             '<(blink_core_output_dir)/InternalSettingsGenerated.h',
+            'testing/DictionaryTest.cpp',
+            'testing/DictionaryTest.h',
             'testing/DummyPageHolder.cpp',
             'testing/DummyPageHolder.h',
             'testing/GarbageCollectedScriptWrappable.cpp',