Remove Disposed as a DocumentLifecycle state.

third_party/WebKit/Source/core/dom/DocumentLifecycle.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 82 matching lines @@
     // We can stop from anywhere.
     if (nextState == Stopping)
         return true;
 
     switch (m_state) {
     case Uninitialized:
         return nextState == Inactive;
     case Inactive:
         if (nextState == StyleClean)
             return true;
-        if (nextState == Disposed)
-            return true;
         break;
     case VisualUpdatePending:
         if (nextState == InPreLayout)
             return true;
         if (nextState == InStyleRecalc)
             return true;
         if (nextState == InPerformLayout)
             return true;
         break;
     case InStyleRecalc:
@@ skipping 117 matching lines @@
         if (nextState == InStyleRecalc)
             return true;
         if (nextState == InPreLayout)
             return true;
         if (nextState == InCompositingUpdate)
             return true;
         break;
     case Stopping:
         return nextState == Stopped;
     case Stopped:
-        return nextState == Disposed;
-    case Disposed:
-        // FIXME: We can dispose a document multiple times. This seems wrong.
-        // See https://code.google.com/p/chromium/issues/detail?id=301668.
-        return nextState == Disposed;
+        return false;
     }
     return false;
 }
 
 bool DocumentLifecycle::canRewindTo(LifecycleState nextState) const
 {
     // This transition is bogus, but we've whitelisted it anyway.
     if (s_deprecatedTransitionStack && m_state == s_deprecatedTransitionStack->from() && nextState == s_deprecatedTransitionStack->to())
         return true;
     return m_state == StyleClean
@@ skipping 56 matching lines @@
         DEBUG_STRING_CASE(InCompositingUpdate);
         DEBUG_STRING_CASE(CompositingClean);
         DEBUG_STRING_CASE(InPaintInvalidation);
         DEBUG_STRING_CASE(PaintInvalidationClean);
         DEBUG_STRING_CASE(InUpdatePaintProperties);
         DEBUG_STRING_CASE(UpdatePaintPropertiesClean);
         DEBUG_STRING_CASE(InPaint);
         DEBUG_STRING_CASE(PaintClean);
         DEBUG_STRING_CASE(Stopping);
         DEBUG_STRING_CASE(Stopped);
-        DEBUG_STRING_CASE(Disposed);
     }
 
     ASSERT_NOT_REACHED();
     return "Unknown";
 }
 #endif
 
 } // namespace blink