Improve Dart Debugger performance and robustness by creating Dart wrappers using the standard SetNa…

Source/bindings/v8/V8Binding.cpp

Index: Source/bindings/v8/V8Binding.cpp
diff --git a/Source/bindings/v8/V8Binding.cpp b/Source/bindings/v8/V8Binding.cpp
index 93f7167a1fcdd3619a403b4c7d001d730da3efa0..fff76b945dd1343e25aedae47087a11eb7fc7452 100644
--- a/Source/bindings/v8/V8Binding.cpp
+++ b/Source/bindings/v8/V8Binding.cpp
@@ -311,6 +311,10 @@ DOMWindow* toDOMWindow(v8::Handle<v8::Context> context)
     if (!window.IsEmpty())
         return V8DOMWindow::toNative(window);
     window = global->FindInstanceInPrototypeChain(V8DOMWindow::GetTemplate(context->GetIsolate(), IsolatedWorld));
+    if (window.IsEmpty()) {
+        // TODO(jacobr): find a better solution.
+        return toDOMWindow(v8::Context::GetEntered());
+    }
     ASSERT(!window.IsEmpty());
     return V8DOMWindow::toNative(window);
 }