Measure how often downloaded executables match the download whitelist.

chrome/browser/safe_browsing/protocol_manager.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/safe_browsing/protocol_manager.h"
 
 #ifndef NDEBUG
 #include "base/base64.h"
 #endif
 #include "base/environment.h"
@@ skipping 414 matching lines @@
       scoped_ptr<SBChunkList> chunks(new SBChunkList);
       UMA_HISTOGRAM_COUNTS("SB2.ChunkSize", length);
       update_size_ += length;
       if (!parser.ParseChunk(chunk_url.list_name, data, length,
                              client_key_, chunk_url.mac,
                              &re_key, chunks.get())) {
 #ifndef NDEBUG
         std::string data_str;
         data_str.assign(data, length);
         std::string encoded_chunk;
-        base::Base64Encode(data, &encoded_chunk);
+        base::Base64Encode(data_str, &encoded_chunk);

[Brian Ryner, 2011/10/28 23:00:59]

Nice catch.

         VLOG(1) << "ParseChunk error for chunk: " << chunk_url.url
                 << ", client_key: " << client_key_
                 << ", wrapped_key: " << wrapped_key_
                 << ", mac: " << chunk_url.mac
                 << ", Base64Encode(data): " << encoded_chunk
                 << ", length: " << length;
 #endif
         return false;
       }
 
@@ skipping 386 matching lines @@
   if (!additional_query_.empty()) {
     if (next_url.find("?") != std::string::npos) {
       next_url.append("&");
     } else {
       next_url.append("?");
     }
     next_url.append(additional_query_);
   }
   return GURL(next_url);
 }