Include attributes of zipped binaries in ClientDownloadRequests.

chrome/common/safe_browsing/binary_feature_extractor.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Utility functions to extract file features for malicious binary detection.
 // Each platform has its own implementation of this class.
 
 #ifndef CHROME_COMMON_SAFE_BROWSING_BINARY_FEATURE_EXTRACTOR_H_
 #define CHROME_COMMON_SAFE_BROWSING_BINARY_FEATURE_EXTRACTOR_H_
 
 #include "base/basictypes.h"
+#include "base/files/file.h"
 #include "base/memory/ref_counted.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace safe_browsing {
 class ClientDownloadRequest_Digests;
 class ClientDownloadRequest_ImageHeaders;
 class ClientDownloadRequest_SignatureInfo;
@@ skipping 16 matching lines @@
       ClientDownloadRequest_SignatureInfo* signature_info);
 
   // Populates |image_headers| with the PE image headers of |file_path|.
   // |options| is a bitfield controlling aspects of extraction. Returns true if
   // |image_headers| is populated with any information.
   virtual bool ExtractImageHeaders(
       const base::FilePath& file_path,
       ExtractHeadersOption options,
       ClientDownloadRequest_ImageHeaders* image_headers);
 
+  // As above, but works with an already-opened file. BinaryFeatureExtractor
+  // takes ownership of |file| and closes it when done.
+  virtual bool ExtractImageHeadersFromFile(
+      base::File file,
+      ExtractHeadersOption options,
+      ClientDownloadRequest_ImageHeaders* image_headers);
+
   // Populates |digests.sha256| with the SHA256 digest of |file_path|.
   virtual void ExtractDigest(const base::FilePath& file_path,
                              ClientDownloadRequest_Digests* digests);
 
  protected:
   friend class base::RefCountedThreadSafe<BinaryFeatureExtractor>;
   virtual ~BinaryFeatureExtractor();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BinaryFeatureExtractor);
 };
 }  // namespace safe_browsing
 
 #endif  // CHROME_COMMON_SAFE_BROWSING_BINARY_FEATURE_EXTRACTOR_H_