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

Source/core/html/track/vtt/BufferedLineReader.h

 /*
  * Copyright (C) 2013, Opera Software ASA. 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 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef BufferedLineReader_h
 #define BufferedLineReader_h
 
 #include "core/CoreExport.h"
 #include "platform/text/SegmentedString.h"
+#include "wtf/Allocator.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
 // Line collection helper for the WebVTT Parser.
 //
 // Converts a stream of data (== a sequence of Strings) into a set of
 // lines. CR, LR or CRLF are considered linebreaks. Normalizes NULs (U+0000)
 // to 'REPLACEMENT CHARACTER' (U+FFFD) and does not return the linebreaks as
 // part of the result.
 class CORE_EXPORT BufferedLineReader {
+    DISALLOW_ALLOCATION();
     WTF_MAKE_NONCOPYABLE(BufferedLineReader);
 public:
     BufferedLineReader()
         : m_endOfStream(false)
         , m_maybeSkipLF(false) { }
 
     // Append data to the internal buffer.
     void append(const String& data)
     {
         ASSERT(!m_endOfStream);
@@ skipping 23 matching lines @@
 
     SegmentedString m_buffer;
     StringBuilder m_lineBuffer;
     bool m_endOfStream;
     bool m_maybeSkipLF;
 };
 
 } // namespace blink
 
 #endif