Remove uses of deprecated toWebCoreStringWithUndefinedOrNullCheck(v8::Handle<v8::Value>)

Source/bindings/v8/custom/V8JavaScriptCallFrameCustom.cpp

Index: Source/bindings/v8/custom/V8JavaScriptCallFrameCustom.cpp
diff --git a/Source/bindings/v8/custom/V8JavaScriptCallFrameCustom.cpp b/Source/bindings/v8/custom/V8JavaScriptCallFrameCustom.cpp
index 691c452e4af1ef3c01f07eb4442f5328ee71e786..e062efaef2300d1944dd7b37f992a6c18320f17d 100644
--- a/Source/bindings/v8/custom/V8JavaScriptCallFrameCustom.cpp
+++ b/Source/bindings/v8/custom/V8JavaScriptCallFrameCustom.cpp
@@ -37,8 +37,8 @@ namespace WebCore {
 
 void V8JavaScriptCallFrame::evaluateMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithUndefinedOrNullCheck>, expression, info[0]);
     JavaScriptCallFrame* impl = V8JavaScriptCallFrame::toNative(info.Holder());
-    String expression = toWebCoreStringWithUndefinedOrNullCheck(info[0]);
     v8SetReturnValue(info, impl->evaluate(expression));
 }