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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_EXTENSIONS_API_FEEDBACK_PRIVATE_BLOB_READER_H_
      6 #define CHROME_BROWSER_EXTENSIONS_API_FEEDBACK_PRIVATE_BLOB_READER_H_
      7 
      8 #include <string>
      9 
     10 #include "base/callback.h"
     11 #include "base/memory/scoped_ptr.h"
     12 #include "net/base/io_buffer.h"
     13 #include "net/url_request/url_fetcher_delegate.h"
     14 #include "net/url_request/url_request.h"
     15 #include "url/gurl.h"
     16 
     17 class Profile;
     18 namespace net {
     19 class URLFetcher;
     20 }
     21 
     22 class BlobReader : public net::URLFetcherDelegate {
     23  public:
     24   typedef base::Callback<void(scoped_ptr<std::string> blob_data)>
     25       BlobReadCallback;
     26 
     27   BlobReader(Profile* profile,
     28              const GURL& blob_url,
     29              BlobReadCallback callback);
     30   virtual ~BlobReader();
     31 
     32   void Start();
     33 
     34  private:
     35   // Overridden from net::URLFetcherDelegate.
     36   virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
     37 
     38   BlobReadCallback callback_;
     39   net::URLFetcher* fetcher_;
     40 
     41   DISALLOW_COPY_AND_ASSIGN(BlobReader);
     42 };
     43 
     44 #endif  // CHROME_BROWSER_EXTENSIONS_API_FEEDBACK_PRIVATE_BLOB_READER_H_
     45