[Oilpan] Prepare full definition of classes before using Member

third_party/WebKit/Source/core/frame/Location.cpp

 /*
  * Copyright (C) 2008, 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 34 matching lines @@
 Location::Location(Frame* frame)
     : m_frame(frame)
 {
 }
 
 DEFINE_TRACE(Location)
 {
     visitor->trace(m_frame);
 }
 
+Frame* Location::frame() const
+{
+    return m_frame.get();
+}
+
+void Location::reset()
+{
+    m_frame = nullptr;
+}
+
 inline const KURL& Location::url() const
 {
     const KURL& url = toLocalFrame(m_frame)->document()->url();
     if (!url.isValid())
         return blankURL(); // Use "about:blank" while the page is still loading (before we have a frame).
 
     return url;
 }
 
 String Location::href() const
@@ skipping 202 matching lines @@
         argv.append("LocalDOMWindow");
         argv.append("url");
         argv.append(enteredDocument->url());
         argv.append(completedURL);
         activityLogger->logEvent("blinkSetAttribute", argv.size(), argv.data());
     }
     m_frame->navigate(*callingWindow->document(), completedURL, locationPolicy == SetLocation::ReplaceThisFrame, UserGestureStatus::None);
 }
 
 } // namespace blink