Invalidate throttling-related dirty bits when changing cross-origin status.

third_party/WebKit/Source/core/dom/Document.cpp

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index dc5974ba26fa9533ccc3859d07c7794ee1d1ad18..db0301d3fcb2c87809f86c1d0770dfae2b185d1f 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -4652,7 +4652,11 @@ void Document::setDomain(const String& rawDomain,
     return;
   }
 
+  bool wasCrossDomain = m_frame->isCrossOriginSubframe();
   getSecurityOrigin()->setDomainFromDOM(newDomain);
+  if (view() && (wasCrossDomain != m_frame->isCrossOriginSubframe()))
+    view()->crossOriginStatusChanged();
+
   if (m_frame)
     m_frame->script().updateSecurityOrigin(getSecurityOrigin());
 }