Use ExceptionState to throw exceptions when converting arrays

Source/bindings/core/v8/V8Binding.cpp

Index: Source/bindings/core/v8/V8Binding.cpp
diff --git a/Source/bindings/core/v8/V8Binding.cpp b/Source/bindings/core/v8/V8Binding.cpp
index 54eb709dfd0ed28de7083e9d7f9b7e25b5599d18..52ad09915c60a35fbdb19311618d3baee4f5d084 100644
--- a/Source/bindings/core/v8/V8Binding.cpp
+++ b/Source/bindings/core/v8/V8Binding.cpp
@@ -934,7 +934,9 @@ void GetDevToolsFunctionInfo(v8::Handle<v8::Function> function, v8::Isolate* iso
     scriptId = originalFunction->ScriptId();
     v8::ScriptOrigin origin = originalFunction->GetScriptOrigin();
     if (!origin.ResourceName().IsEmpty()) {
-        resourceName = NativeValueTraits<String>::nativeValue(origin.ResourceName(), isolate);
+        V8StringResource<> stringResource(origin.ResourceName());

[Jens Widell, 2014/09/11 13:22:31]

It feels like maybe we could do something better here, especially given that
ResourceName(), if not empty, ought to be a string, and thus not really need
conversion logic at all. Or can the resource name be something other than a
string?

+        stringResource.prepare();
+        resourceName = stringResource;
         lineNumber = originalFunction->GetScriptLineNumber() + 1;
     }
     if (resourceName.isEmpty()) {