IDL compiler: Use inner type name for annotated types for GetAs* method.

Bug: 739170
Change-Id: I147200074ddd29f49d89a246c2a3a9e6cee132d1
Reviewed-on: https://chromium-review.googlesource.com/c/1325987Reviewed-by: Hitoshi Yoshida <peria@chromium.org>
Commit-Queue: Daniel Vogelheim <vogelheim@chromium.org>
Cr-Commit-Position: refs/heads/master@{#606438}

third_party/blink/renderer/bindings/scripts/v8_union.py

@@ -145,12 +145,13 @@ def member_context(member, info_provider):
     _update_includes_and_forward_decls(member, info_provider)
     if member.is_nullable:
         member = member.inner_type
+    type_name = (member.inner_type if member.is_annotated_type else member).name
     return {
         'cpp_name': to_snake_case(v8_utilities.cpp_name(member)),
         'cpp_type': member.cpp_type_args(used_in_cpp_sequence=True),
         'cpp_local_type': member.cpp_type,
         'cpp_value_to_v8_value': member.cpp_value_to_v8_value(
-            cpp_value='impl.GetAs%s()' % member.name, isolate='isolate',
+            cpp_value='impl.GetAs%s()' % type_name, isolate='isolate',
             creation_context='creationContext'),
         'enum_type': member.enum_type,
         'enum_values': member.enum_values,
@@ -159,7 +160,7 @@ def member_context(member, info_provider):
         'is_traceable': member.is_traceable,
         'rvalue_cpp_type': member.cpp_type_args(used_as_rvalue_type=True),
         'specific_type_enum': 'k' + member.name,
-        'type_name': member.inner_type.name if member.is_annotated_type else member.name,
+        'type_name': type_name,
         'v8_value_to_local_cpp_value': member.v8_value_to_local_cpp_value(
             {}, 'v8Value', 'cppValue', isolate='isolate',
             use_exception_state=True)

third_party/blink/renderer/bindings/tests/results/core/string_treat_null_as_empty_string_or_long.cc

@@ -91,7 +91,7 @@ v8::Local<v8::Value> ToV8(const StringTreatNullAsEmptyStringOrLong& impl, v8::Lo
     case StringTreatNullAsEmptyStringOrLong::SpecificType::kLong:
       return v8::Integer::New(isolate, impl.GetAsLong());
     case StringTreatNullAsEmptyStringOrLong::SpecificType::kStringTreatNullAsEmptyString:
-      return V8String(isolate, impl.GetAsStringTreatNullAsEmptyString());
+      return V8String(isolate, impl.GetAsString());
     default:
       NOTREACHED();
   }