Move Sky's DataPipeDrainer to mojo/common

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 SKY_ENGINE_CORE_HTML_PARSER_BACKGROUNDHTMLPARSER_H_
 #define SKY_ENGINE_CORE_HTML_PARSER_BACKGROUNDHTMLPARSER_H_
 
 #include "base/memory/weak_ptr.h"
+#include "mojo/common/data_pipe_drainer.h"
 #include "mojo/public/cpp/system/core.h"
 #include "sky/engine/core/html/parser/CompactHTMLToken.h"
 #include "sky/engine/core/html/parser/HTMLTokenizer.h"
 #include "sky/engine/core/html/parser/TextResourceDecoder.h"
-#include "sky/engine/platform/fetcher/DataPipeDrainer.h"
 #include "sky/engine/platform/text/SegmentedString.h"
 #include "sky/engine/wtf/PassOwnPtr.h"
 #include "sky/engine/wtf/WeakPtr.h"
 
 namespace blink {
 
 class HTMLDocumentParser;
 class SharedBuffer;
 
-class BackgroundHTMLParser : public DataPipeDrainer::Client {
+class BackgroundHTMLParser : public mojo::common::DataPipeDrainer::Client {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     struct Configuration {
         mojo::ScopedDataPipeConsumerHandle source;
         base::WeakPtr<HTMLDocumentParser> parser;
     };
 
     static base::WeakPtr<BackgroundHTMLParser> create(PassOwnPtr<Configuration>);
 
     void start();
     void stop();
 
 private:
     explicit BackgroundHTMLParser(PassOwnPtr<Configuration>);
     ~BackgroundHTMLParser();
 
+    // DataPipeDrainer::Client:
     void OnDataAvailable(const void* data, size_t numberOfBytes) override;
     void OnDataComplete() override;
 
     void finish();
     void markEndOfFile();
     void pumpTokenizer();
     void sendTokensToMainThread();
     bool updateTokenizerState(const CompactHTMLToken& token);
 
     SegmentedString m_input;
     OwnPtr<HTMLToken> m_token;
     OwnPtr<HTMLTokenizer> m_tokenizer;
     base::WeakPtr<HTMLDocumentParser> m_parser;
 
     OwnPtr<CompactHTMLTokenStream> m_pendingTokens;
     OwnPtr<TextResourceDecoder> m_decoder;
 
     mojo::ScopedDataPipeConsumerHandle m_source;
-    OwnPtr<DataPipeDrainer> m_drainer;
+    OwnPtr<mojo::common::DataPipeDrainer> m_drainer;
 
     base::WeakPtrFactory<BackgroundHTMLParser> m_weakFactory;
 };
 
 }
 
 #endif  // SKY_ENGINE_CORE_HTML_PARSER_BACKGROUNDHTMLPARSER_H_