Defer iframe JavaScript URL evaluation

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index e888b4ffe4415a95415655b5435bf9e2c16b16d9..9521db42e4691892e062b4a45c5f95c64606c9df 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -2878,6 +2878,20 @@ void Document::didLoadAllImports()
     didLoadAllScriptBlockingResources();
 }
 
+void Document::didAddPendingResource()
+{
+    if (m_fetcher)
+        m_fetcher->incrementRequestCount();
+}
+
+void Document::didRemovePendingResource()
+{
+    if (m_fetcher)
+        m_fetcher->decrementRequestCount();
+    if (LocalFrame* frame = this->frame())
+        frame->loader().loadDone();
+}
+
 void Document::didRemoveAllPendingStylesheet()
 {
     m_needsNotifyRemoveAllPendingStylesheet = false;