Don't wait to notify client of spoof attempt if a modal dialog is created.

Source/core/loader/FrameLoader.cpp

Index: Source/core/loader/FrameLoader.cpp
diff --git a/Source/core/loader/FrameLoader.cpp b/Source/core/loader/FrameLoader.cpp
index a291a62c83023f79e55965421ee5dd2896fc0b28..d3503996d1491a18b6e1957902f7bd248c666dab 100644
--- a/Source/core/loader/FrameLoader.cpp
+++ b/Source/core/loader/FrameLoader.cpp
@@ -939,6 +939,14 @@ void FrameLoader::didAccessInitialDocumentTimerFired(Timer<FrameLoader>*)
     m_client->didAccessInitialDocument();
 }
 
+void FrameLoader::forceNotifyForInitialDocumentAccess()
+{
+    if (m_didAccessInitialDocumentTimer.isActive()) {
+        m_didAccessInitialDocumentTimer.stop();
+        didAccessInitialDocumentTimerFired(0);
+    }
+}
+
 bool FrameLoader::isLoading() const
 {
     DocumentLoader* docLoader = activeDocumentLoader();