Added net logging to BaseFile.

chrome/browser/net/passive_log_collector.h

Index: chrome/browser/net/passive_log_collector.h
diff --git a/chrome/browser/net/passive_log_collector.h b/chrome/browser/net/passive_log_collector.h
index c3b8da5860e5d460d5b4a87f7d616f6e56ec89e9..4a9597f97ea43c22fa515bb715dd3700c49f0aff 100644
--- a/chrome/browser/net/passive_log_collector.h
+++ b/chrome/browser/net/passive_log_collector.h
@@ -446,6 +446,21 @@ class PassiveLogCollector : public ChromeNetLog::ThreadSafeObserverImpl {
     DISALLOW_COPY_AND_ASSIGN(HttpPipelinedConnectionTracker);
   };
 
+  // Tracks the log entries for the last seen SOURCE_DOWNLOAD.
+  class DowloadTracker : public SourceTracker {

[mmenke1, 2012/02/03 18:32:32]

Unless we're tracking stock exchanges, think this should be "DownloadTracker". 
:)

[ahendrickson, 2012/02/04 05:27:14]

Done.

+   public:
+    static const size_t kMaxNumSources;
+    static const size_t kMaxGraveyardSize;
+
+    DowloadTracker();
+
+   private:
+    virtual Action DoAddEntry(const ChromeNetLog::Entry& entry,
+                              SourceInfo* out_info) OVERRIDE;
+
+    DISALLOW_COPY_AND_ASSIGN(DowloadTracker);
+  };
+
   // Tracks the log entries for the last seen SOURCE_FILESTREAM.
   class FileStreamTracker : public SourceTracker {
    public:
@@ -507,6 +522,7 @@ class PassiveLogCollector : public ChromeNetLog::ThreadSafeObserverImpl {
   UDPSocketTracker udp_socket_tracker_;
   CertVerifierJobTracker cert_verifier_job_tracker_;
   HttpPipelinedConnectionTracker http_pipelined_connection_tracker_;
+  DowloadTracker download_tracker_;
   FileStreamTracker file_stream_tracker_;
 
   // This array maps each NetLog::SourceType to one of the tracker instances