Simplify conditionals for blink::Location::isActive().

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 268 matching lines @@
       *currentWindow->document(), completedURL,
       setLocationPolicy == SetLocationPolicy::ReplaceThisFrame,
       UserGestureStatus::None);
 }
 
 Document* Location::document() const {
   return toLocalDOMWindow(m_domWindow)->document();
 }
 
 bool Location::isAttached() const {
-  return m_domWindow->frame() && m_domWindow->frame()->host();
+  return m_domWindow->frame();
 }
 
 }  // namespace blink