Replace several uses of toWebCoreString() by V8TRYCATCH_FOR_V8STRINGRESOURCE() macro

Source/bindings/v8/custom/V8DocumentCustom.cpp

 /*
  * Copyright (C) 2007-2009 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 46 matching lines @@
 #include "core/xml/XPathNSResolver.h"
 #include "core/xml/XPathResult.h"
 #include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 void V8Document::evaluateMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     RefPtr<Document> document = V8Document::toNative(args.Holder());
     ExceptionState es(args.GetIsolate());
-    String expression = toWebCoreString(args[0]);
+    V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, expression, args[0]);
     RefPtr<Node> contextNode;
     if (V8Node::HasInstance(args[1], args.GetIsolate(), worldType(args.GetIsolate())))
         contextNode = V8Node::toNative(v8::Handle<v8::Object>::Cast(args[1]));
 
     RefPtr<XPathNSResolver> resolver = toXPathNSResolver(args[2], args.GetIsolate());
     if (!resolver && !args[2]->IsNull() && !args[2]->IsUndefined()) {
         setDOMException(TypeMismatchError, args.GetIsolate());
         return;
     }
 
@@ skipping 32 matching lines @@
 
     for (int i = 0; i < args.Length(); i++) {
         Touch* touch = V8DOMWrapper::isWrapperOfType(args[i], &V8Touch::info) ? V8Touch::toNative(args[i]->ToObject()) : 0;
         touchList->append(touch);
     }
 
     v8SetReturnValue(args, toV8(touchList.release(), args.Holder(), args.GetIsolate()));
 }
 
 } // namespace WebCore