Notify about PageState changes after an AUTO_SUBFRAME commit.

content/browser/frame_host/navigation_controller_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  *     (http://www.torchmobile.com/)
  *
@@ skipping 817 matching lines @@
       RendererDidNavigateToExistingPage(rfh, params);
       break;
     case NAVIGATION_TYPE_SAME_PAGE:
       RendererDidNavigateToSamePage(rfh, params);
       break;
     case NAVIGATION_TYPE_NEW_SUBFRAME:
       RendererDidNavigateNewSubframe(rfh, params, details->is_in_page,
                                      details->did_replace_entry);
       break;
     case NAVIGATION_TYPE_AUTO_SUBFRAME:
-      if (!RendererDidNavigateAutoSubframe(rfh, params))
+      if (!RendererDidNavigateAutoSubframe(rfh, params)) {
+        // In UseSubframeNavigationEntries mode, we won't send a notification
+        // about auto-subframe PageState during UpdateStateForFrame, since it
+        // looks like nothing has changed.  Send it here at commit time instead.
+        if (SiteIsolationPolicy::UseSubframeNavigationEntries())
+          NotifyEntryChanged(GetLastCommittedEntry());
         return false;
+      }
       break;
     case NAVIGATION_TYPE_NAV_IGNORE:
       // If a pending navigation was in progress, this canceled it.  We should
       // discard it and make sure it is removed from the URL bar.  After that,
       // there is nothing we can do with this navigation, so we just return to
       // the caller that nothing has happened.
       if (pending_entry_) {
         DiscardNonCommittedEntries();
         delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
       }
@@ skipping 1251 matching lines @@
     }
   }
 }
 
 void NavigationControllerImpl::SetGetTimestampCallbackForTest(
     const base::Callback<base::Time()>& get_timestamp_callback) {
   get_timestamp_callback_ = get_timestamp_callback;
 }
 
 }  // namespace content