Fix safe-browsing sub parsing for download whitelist.

chrome/browser/safe_browsing/protocol_parser.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_PARSER_H_
 #define CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_PARSER_H_
 #pragma once
 
 // Parse the data returned from the chunk response.
 //
@@ skipping 97 matching lines @@
                      int data_len,
                      int hash_len,
                      std::deque<SBChunkHost>* hosts);
   bool ParseSubChunk(const std::string& list_name,
                      const char* data,
                      int data_len,
                      int hash_len,
                      std::deque<SBChunkHost>* hosts);
 
   // Helper functions used by ParseAddChunk and ParseSubChunk.
-  static void ReadHostAndPrefixCount(const char** data,
+  static bool ReadHostAndPrefixCount(const char** data,
                                      int* remaining,
                                      SBPrefix* host,
                                      int* count);
-  static int ReadChunkId(const char** data, int* remaining);
+  static bool ReadChunkId(const char** data, int* remaining, int* chunk_id);
   static bool ReadPrefixes(
       const char** data, int* remaining, SBEntry* entry, int count);
 
   // The name of the current list
   std::string list_name_;
 
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingProtocolParser);
 };
 
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_PARSER_H_