Make classes and structures in core/html fast-allocated.

Source/core/html/parser/BackgroundHTMLInputStream.h

 /*
  * 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:
  * 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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GOOGLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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 #ifndef BackgroundHTMLInputStream_h
 #define BackgroundHTMLInputStream_h
 
 #include "platform/text/SegmentedString.h"
+#include "wtf/Allocator.h"
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 typedef size_t HTMLInputCheckpoint;
 
 class BackgroundHTMLInputStream {
+    DISALLOW_ALLOCATION();
     WTF_MAKE_NONCOPYABLE(BackgroundHTMLInputStream);
 public:
     BackgroundHTMLInputStream();
 
     void append(const String&);
     void close();
 
     SegmentedString& current() { return m_current; }
 
     // An HTMLInputCheckpoint is valid until the next call to rewindTo, at which
@@ skipping 26 matching lines @@
     size_t m_firstValidCheckpointIndex;
     size_t m_firstValidSegmentIndex;
     size_t m_totalCheckpointTokenCount;
 
     void updateTotalCheckpointTokenCount();
 };
 
 }
 
 #endif