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

Source/core/core.gyp

Index: Source/core/core.gyp
diff --git a/Source/core/core.gyp b/Source/core/core.gyp
index 006821c5d3e15f8019efb875429b85ad86c469ae..700be1f2e9d9eb0151a346a5f81167d22edfb02e 100644
--- a/Source/core/core.gyp
+++ b/Source/core/core.gyp
@@ -281,6 +281,10 @@
 
         # Generated from make_css_property_metadata.py
         '<(blink_core_output_dir)/CSSPropertyMetadata.cpp',
+
+        # IDL dictionary impl files generated by IDL compiler
+        # FIXME: Add '<@(generated_core_dictionary_files)',
+        # See comment on core/core.gypi
       ],
       'conditions': [
         ['OS=="win" and component=="shared_library"', {
@@ -743,6 +747,7 @@
       'dependencies': [
         '../config.gyp:config',
         'webcore',
+        'webcore_generated',
       ],
       'defines': [
         'BLINK_IMPLEMENTATION=1',
@@ -755,7 +760,10 @@
       ],
       'sources': [
         # Note: file list duplicated in GN build.
+        '<@(generated_core_testing_dictionary_files)',
         '<@(webcore_testing_files)',
+        '<(bindings_core_v8_output_dir)/V8DictionaryTest.cpp',
+        '<(bindings_core_v8_output_dir)/V8DictionaryTest.h',
         '<(bindings_core_v8_output_dir)/V8GarbageCollectedScriptWrappable.cpp',
         '<(bindings_core_v8_output_dir)/V8GarbageCollectedScriptWrappable.h',
         '<(bindings_core_v8_output_dir)/V8GCObservation.cpp',
@@ -780,6 +788,8 @@
         '<(bindings_core_v8_output_dir)/V8LayerRectList.h',
         '<(bindings_core_v8_output_dir)/V8RefCountedScriptWrappable.cpp',
         '<(bindings_core_v8_output_dir)/V8RefCountedScriptWrappable.h',
+        '<(bindings_core_v8_output_dir)/V8TestingDictionary.cpp',
+        '<(bindings_core_v8_output_dir)/V8TestingDictionary.h',
       ],
       'sources/': [
         ['exclude', 'testing/js'],