Resolve ready and finished promises asynchronously

third_party/WebKit/Source/bindings/core/v8/ScriptPromiseProperty.h

Index: third_party/WebKit/Source/bindings/core/v8/ScriptPromiseProperty.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/ScriptPromiseProperty.h b/third_party/WebKit/Source/bindings/core/v8/ScriptPromiseProperty.h
index e3e17bae21504b4da809cb2538d1cfc21d806976..f9791198c401a3a8cea87578cc7b0af8e79c9933 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ScriptPromiseProperty.h
+++ b/third_party/WebKit/Source/bindings/core/v8/ScriptPromiseProperty.h
@@ -105,6 +105,7 @@ void ScriptPromiseProperty<HolderType, ResolvedType, RejectedType>::resolve(
     NOTREACHED();
     return;
   }
+  DCHECK(!ScriptForbiddenScope::isScriptForbidden());
   if (!getExecutionContext() || getExecutionContext()->isContextDestroyed())
     return;
   m_resolved = value;