Fix resource scheduling on documents with <frameset>.

Source/core/html/HTMLFrameSetElement.cpp

Index: Source/core/html/HTMLFrameSetElement.cpp
diff --git a/Source/core/html/HTMLFrameSetElement.cpp b/Source/core/html/HTMLFrameSetElement.cpp
index 9ec4d6ec5c587fb882b375a66ea1f9fd12c185d3..ecf8fe79bfb2ee5d1c31331bfaf8fde10c948ba0 100644
--- a/Source/core/html/HTMLFrameSetElement.cpp
+++ b/Source/core/html/HTMLFrameSetElement.cpp
@@ -34,6 +34,8 @@
 #include "core/dom/NodeRenderingContext.h"
 #include "core/html/HTMLCollection.h"
 #include "core/html/HTMLFrameElement.h"
+#include "core/loader/FrameLoaderClient.h"
+#include "core/page/Frame.h"
 #include "core/platform/Length.h"
 #include "core/rendering/RenderFrameSet.h"
 
@@ -55,6 +57,8 @@ HTMLFrameSetElement::HTMLFrameSetElement(const QualifiedName& tagName, Document*
     ASSERT(hasTagName(framesetTag));
     ScriptWrappable::init(this);
     setHasCustomStyleCallbacks();
+    if (document->frame())
+        document->frame()->loader()->client()->dispatchWillInsertBody();

[abarth-chromium, 2013/06/03 23:29:50]

You want to hook HTMLFrameSetElement::insertedInto rather than the constructor. 
You want to do something similar to what this code does:

Node::InsertionNotificationRequest SVGStyleElement::insertedInto(ContainerNode*
rootParent)
{
    SVGElement::insertedInto(rootParent);
    if (rootParent->inDocument())
        StyleElement::insertedIntoDocument(document(), this);
    return InsertionDone;
}

 }
 
 PassRefPtr<HTMLFrameSetElement> HTMLFrameSetElement::create(const QualifiedName& tagName, Document* document)