Prepare blink to unify definitions of load completion

Source/core/loader/NavigationScheduler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010 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/)
  * Copyright (C) 2009 Adam Barth. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
@@ skipping 135 matching lines @@
         if (equalIgnoringFragmentIdentifier(frame->document()->url(), request.resourceRequest().url()))
             request.resourceRequest().setCachePolicy(ReloadIgnoringCacheData);
         request.setClientRedirect(ClientRedirect);
         frame->loader().load(request);
     }
 };
 
 class ScheduledLocationChange FINAL : public ScheduledURLNavigation {
 public:
     ScheduledLocationChange(Document* originDocument, const String& url, const Referrer& referrer, bool lockBackForwardList)
-        : ScheduledURLNavigation(0.0, originDocument, url, referrer, lockBackForwardList, true) { }
+        : ScheduledURLNavigation(0.0, originDocument, url, referrer, lockBackForwardList, !protocolIsJavaScript(url)) { }

[Nate Chapin, 2014/09/15 23:39:35]

A pending navigation to a JS url shouldn't stop html parsing or prevent the load
event. This boolean gets mapped to NavigationScheduler::locationChangePending().

 };
 
 class ScheduledReload FINAL : public ScheduledNavigation {
 public:
     ScheduledReload()
         : ScheduledNavigation(0.0, true, true)
     {
     }
 
     virtual void fire(LocalFrame* frame) OVERRIDE
@@ skipping 249 matching lines @@
 
 void NavigationScheduler::cancel()
 {
     if (m_timer.isActive())
         InspectorInstrumentation::frameClearedScheduledNavigation(m_frame);
     m_timer.stop();
     m_redirect.clear();
 }
 
 } // namespace blink