Always check that a Name is a String before converting it.

third_party/WebKit/Source/bindings/tests/results/core/V8TestSpecialOperations.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/V8TestSpecialOperations.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8TestSpecialOperations.cpp b/third_party/WebKit/Source/bindings/tests/results/core/V8TestSpecialOperations.cpp
index e9f59b5159d724373191b39504f6a843e4ecd4c0..8896d65fca9acb5f50bc7c979079bae63b68ffba 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8TestSpecialOperations.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8TestSpecialOperations.cpp
@@ -65,6 +65,8 @@ static void namedItemMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& i
 
 static void namedPropertyGetter(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
+    if (!name->IsString())
+        return;
     auto nameString = name.As<v8::String>();
     TestSpecialOperations* impl = V8TestSpecialOperations::toImpl(info.Holder());
     AtomicString propertyName = toCoreAtomicString(nameString);
@@ -82,6 +84,8 @@ static void namedPropertyGetterCallback(v8::Local<v8::Name> name, const v8::Prop
 
 static void namedPropertySetter(v8::Local<v8::Name> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
+    if (!name->IsString())
+        return;
     auto nameString = name.As<v8::String>();
     TestSpecialOperations* impl = V8TestSpecialOperations::toImpl(info.Holder());
     V8StringResource<> propertyName(nameString);
@@ -106,6 +110,8 @@ static void namedPropertySetterCallback(v8::Local<v8::Name> name, v8::Local<v8::
 
 static void namedPropertyQuery(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Integer>& info)
 {
+    if (!name->IsString())
+        return;
     TestSpecialOperations* impl = V8TestSpecialOperations::toImpl(info.Holder());
     AtomicString propertyName = toCoreAtomicString(name.As<v8::String>());
     v8::String::Utf8Value namedProperty(name);