Added Net logging to FileStream.

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 b1a079a532455edb3915f834832f4a6be612410f..eea07d5a30c7967b540a29031b5282aec9963b29 100644
--- a/chrome/browser/net/passive_log_collector.h
+++ b/chrome/browser/net/passive_log_collector.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -430,6 +430,21 @@ class PassiveLogCollector : public ChromeNetLog::ThreadSafeObserverImpl {
     DISALLOW_COPY_AND_ASSIGN(HttpPipelinedConnectionTracker);
   };
 
+  // Tracks the log entries for the last seen SOURCE_FILESTREAM.
+  class FileStreamTracker : public SourceTracker {
+   public:
+    static const size_t kMaxNumSources;
+    static const size_t kMaxGraveyardSize;
+
+    FileStreamTracker();
+
+   private:
+    virtual Action DoAddEntry(const ChromeNetLog::Entry& entry,
+                              SourceInfo* out_info) OVERRIDE;
+
+    DISALLOW_COPY_AND_ASSIGN(FileStreamTracker);
+  };
+
   PassiveLogCollector();
   virtual ~PassiveLogCollector();
 
@@ -475,6 +490,7 @@ class PassiveLogCollector : public ChromeNetLog::ThreadSafeObserverImpl {
   UDPSocketTracker udp_socket_tracker_;
   CertVerifierJobTracker cert_verifier_job_tracker_;
   HttpPipelinedConnectionTracker http_pipelined_connection_tracker_;
+  FileStreamTracker file_stream_tracker_;
 
   // This array maps each NetLog::SourceType to one of the tracker instances
   // defined above. Use of this array avoid duplicating the list of trackers