Treat null dictionary members as missing per WebIDL

third_party/WebKit/Source/bindings/tests/results/core/V8TestDictionaryDerived.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/V8TestDictionaryDerived.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8TestDictionaryDerived.cpp b/third_party/WebKit/Source/bindings/tests/results/core/V8TestDictionaryDerived.cpp
index d44ed6feb3bf9e0a0a0994540771363f1e16354d..2941ba3e54c25e87c053e53273920134ae16d0fd 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8TestDictionaryDerived.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8TestDictionaryDerived.cpp
@@ -37,7 +37,7 @@ void V8TestDictionaryDerivedImplementedAs::toImpl(v8::Isolate* isolate, v8::Loca
         exceptionState.rethrowV8Exception(block.Exception());
         return;
     }
-    if (derivedStringMemberValue.IsEmpty() || derivedStringMemberValue->IsUndefined()) {
+    if (isUndefinedOrNull(derivedStringMemberValue)) {
         // Do nothing.
     } else {
         V8StringResource<> derivedStringMember = derivedStringMemberValue;
@@ -51,7 +51,7 @@ void V8TestDictionaryDerivedImplementedAs::toImpl(v8::Isolate* isolate, v8::Loca
         exceptionState.rethrowV8Exception(block.Exception());
         return;
     }
-    if (derivedStringMemberWithDefaultValue.IsEmpty() || derivedStringMemberWithDefaultValue->IsUndefined()) {
+    if (isUndefinedOrNull(derivedStringMemberWithDefaultValue)) {
         // Do nothing.
     } else {
         V8StringResource<> derivedStringMemberWithDefault = derivedStringMemberWithDefaultValue;
@@ -65,7 +65,7 @@ void V8TestDictionaryDerivedImplementedAs::toImpl(v8::Isolate* isolate, v8::Loca
         exceptionState.rethrowV8Exception(block.Exception());
         return;
     }
-    if (requiredLongMemberValue.IsEmpty() || requiredLongMemberValue->IsUndefined()) {
+    if (isUndefinedOrNull(requiredLongMemberValue)) {
         exceptionState.throwTypeError("required member requiredLongMember is undefined.");
         return;
     } else {
@@ -80,7 +80,7 @@ void V8TestDictionaryDerivedImplementedAs::toImpl(v8::Isolate* isolate, v8::Loca
         exceptionState.rethrowV8Exception(block.Exception());
         return;
     }
-    if (stringOrDoubleSequenceMemberValue.IsEmpty() || stringOrDoubleSequenceMemberValue->IsUndefined()) {
+    if (isUndefinedOrNull(stringOrDoubleSequenceMemberValue)) {
         // Do nothing.
     } else {
         HeapVector<StringOrDouble> stringOrDoubleSequenceMember = toImplArray<HeapVector<StringOrDouble>>(stringOrDoubleSequenceMemberValue, 0, isolate, exceptionState);