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

Source/bindings/v8/custom/V8JavaScriptCallFrameCustom.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 19 matching lines @@
 
 #include "config.h"
 #include "V8JavaScriptCallFrame.h"
 
 #include "bindings/v8/V8Binding.h"
 
 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));
 }
 
 void V8JavaScriptCallFrame::restartMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     JavaScriptCallFrame* impl = V8JavaScriptCallFrame::toNative(info.Holder());
     v8SetReturnValue(info, impl->restart());
 }
 
 void V8JavaScriptCallFrame::scopeChainAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
@@ skipping 21 matching lines @@
     v8SetReturnValue(info, impl->returnValue());
 }
 
 void V8JavaScriptCallFrame::typeAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8SetReturnValue(info, v8AtomicString(info.GetIsolate(), "function"));
 }
 
 } // namespace WebCore