Disable support for swapped out RenderFrame(Host)s

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 3ff2c4d37f4922fe102f61eef166b21f8472a8ce..4de64a6daa7ec68ae1068825a940231b7755c52f 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -3958,11 +3958,6 @@ void WebContentsImpl::UpdateState(RenderViewHost* rvh,
   if (!entry)
     return;
 
-  NavigationEntryImpl* new_entry = controller_.GetEntryWithUniqueID(
-      static_cast<RenderFrameHostImpl*>(rvhi->GetMainFrame())->nav_entry_id());
-
-  DCHECK_EQ(entry, new_entry);
-
   if (page_state == entry->GetPageState())
     return;  // Nothing to update.
   entry->SetPageState(page_state);