Support new style JS interop

Source/bindings/core/dart/DartInjectedScript.cpp

Index: Source/bindings/core/dart/DartInjectedScript.cpp
diff --git a/Source/bindings/core/dart/DartInjectedScript.cpp b/Source/bindings/core/dart/DartInjectedScript.cpp
index b9ca5d5f3ea83fc269034abfd8597448a18fe25b..ee04633d4c9cfb6690de229240261003ba353677 100644
--- a/Source/bindings/core/dart/DartInjectedScript.cpp
+++ b/Source/bindings/core/dart/DartInjectedScript.cpp
@@ -972,6 +972,8 @@ void DartInjectedScript::getProperties(ErrorString* errorString, const String& o
     }
     DartIsolateScope scope(m_scriptState->isolate());
     DartApiScope apiScope;
+    DartDOMData* domData = DartDOMData::current();
+    V8Scope v8scope(domData);
 
     DartDebuggerObject* object = lookupObject(objectId);
     if (!object) {
@@ -1109,7 +1111,6 @@ void DartInjectedScript::getProperties(ErrorString* errorString, const String& o
         (*properties)->addItem(descriptor);
 
         if (DartDOMWrapper::subtypeOf(handle, JsObject::dartClassId)) {
-            DartDOMData* domData = DartDOMData::current();
             JsObject* object = DartDOMWrapper::unwrapDartWrapper<JsObject>(domData, handle, exception);
             if (!exception) {
                 descriptor = PropertyDescriptor::create().setName("[[JavaScript View]]").setConfigurable(false).setEnumerable(true).release();
@@ -1144,6 +1145,8 @@ void DartInjectedScript::getProperty(ErrorString* errorString, const String& obj
         return;
     }
     DartIsolateScope scope(m_scriptState->isolate());
+    DartDOMData* domData = DartDOMData::current();
+    V8Scope v8scope(domData);
     DartApiScope apiScope;
 
     DartDebuggerObject* object = lookupObject(objectId);