OOPIF: Create subframe FrameNavigationEntries for AUTO_SUBFRAME navigations.

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 0b0f411a1a041f52893e84357af935f7fe81c0df..70dcfd97fe8a138fa0d2ea2d5f44945c01998e7d 100644
--- a/content/browser/frame_host/navigation_controller_impl.cc
+++ b/content/browser/frame_host/navigation_controller_impl.cc
@@ -1294,6 +1294,18 @@ bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
     return true;
   }
 
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kSitePerProcess)) {
+    // This may be a "new auto" case where we add a new FrameNavigationEntry, or
+    // it may be a "history auto" case where we update an existing one.
+    int64 frame_tree_node_id = rfh->frame_tree_node()->frame_tree_node_id();
+    NavigationEntryImpl* last_committed = GetLastCommittedEntry();
+    last_committed->AddOrUpdateFrameEntry(frame_tree_node_id,
+                                          rfh->GetSiteInstance(),
+                                          params.url,
+                                          params.referrer);
+  }
+
   // We do not need to discard the pending entry in this case, since we will
   // not generate commit notifications for this auto-subframe navigation.
   return false;