Remove BackgroundHTMLInputStream

sky/engine/core/html/parser/BackgroundHTMLParser.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,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 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 BackgroundHTMLParser_h
 #define BackgroundHTMLParser_h
 
 #include "base/memory/weak_ptr.h"
-#include "core/html/parser/BackgroundHTMLInputStream.h"
 #include "core/html/parser/CompactHTMLToken.h"
 #include "core/html/parser/HTMLParserOptions.h"
 #include "core/html/parser/HTMLTreeBuilderSimulator.h"
 #include "core/html/parser/TextResourceDecoder.h"
+#include "platform/text/SegmentedString.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/WeakPtr.h"
 
 namespace blink {
 
 class HTMLDocumentParser;
 class SharedBuffer;
 
 class BackgroundHTMLParser {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     struct Configuration {
         HTMLParserOptions options;
         WeakPtr<HTMLDocumentParser> parser;
     };
 
     static base::WeakPtr<BackgroundHTMLParser> create(PassOwnPtr<Configuration>);
 
     struct Checkpoint {
         WeakPtr<HTMLDocumentParser> parser;
         OwnPtr<HTMLToken> token;
         OwnPtr<HTMLTokenizer> tokenizer;
-        HTMLInputCheckpoint inputCheckpoint;
         String unparsedInput;
     };
 
     void appendRawBytesFromParserThread(const char* data, int dataLength);
 
     void appendRawBytesFromMainThread(PassOwnPtr<Vector<char> >);
     void flush();
     void resumeFrom(PassOwnPtr<Checkpoint>);
-    void startedChunkWithCheckpoint(HTMLInputCheckpoint);
     void finish();
     void stop();
 
 private:
     explicit BackgroundHTMLParser(PassOwnPtr<Configuration>);
     ~BackgroundHTMLParser();
 
     void appendDecodedBytes(const String&);
     void markEndOfFile();
     void pumpTokenizer();
     void sendTokensToMainThread();
     void updateDocument(const String& decodedData);
 
-    BackgroundHTMLInputStream m_input;
+    SegmentedString m_input;
     OwnPtr<HTMLToken> m_token;
     OwnPtr<HTMLTokenizer> m_tokenizer;
     HTMLTreeBuilderSimulator m_treeBuilderSimulator;
     HTMLParserOptions m_options;
     WeakPtr<HTMLDocumentParser> m_parser;
 
     OwnPtr<CompactHTMLTokenStream> m_pendingTokens;
     OwnPtr<TextResourceDecoder> m_decoder;
 
     base::WeakPtrFactory<BackgroundHTMLParser> m_weakFactory;
 };
 
 }
 
 #endif