[DO NOT COMMIT] Test implementation of converting same URL navigation into a reload

content/browser/frame_host/navigation_controller_impl.cc

Index: content/browser/frame_host/navigation_controller_impl.cc
diff --git a/content/browser/frame_host/navigation_controller_impl.cc b/content/browser/frame_host/navigation_controller_impl.cc
index da3494b37c20e406ae12e05d2c6267cde01a5c38..5043578712966555b9284a3f341301bf639dc7f1 100644
--- a/content/browser/frame_host/navigation_controller_impl.cc
+++ b/content/browser/frame_host/navigation_controller_impl.cc
@@ -1828,6 +1828,14 @@ void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) {
     }
   }
 
+  if (GetLastCommittedEntry() && reload_type == NO_RELOAD) {
+    if (pending_entry_->GetURL() == GetLastCommittedEntry()->GetURL()) {
+      DiscardNonCommittedEntries();
+      ReloadInternal(false, RELOAD);
+      return;
+    }
+  }
+
   // This call does not support re-entrancy.  See http://crbug.com/347742.
   CHECK(!in_navigate_to_pending_entry_);
   in_navigate_to_pending_entry_ = true;