Added Net logging to FileStream.

The net logging doesn't currently do anything, but is ready if some system wants to pass it in.

This is the first of 4 CLs that will enable net logging for downloads.

BUG=None
TEST=None

Review URL: https://chromiumcodereview.appspot.com/9288084

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@120226 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 45 insertions, 0 deletions

diff --git a/chrome/browser/net/passive_log_collector.cc b/chrome/browser/net/passive_log_collector.cc
index 9ca4b63..5006bdb 100644
--- a/chrome/browser/net/passive_log_collector.cc
+++ b/chrome/browser/net/passive_log_collector.cc
@@ -87,6 +87,8 @@ PassiveLogCollector::PassiveLogCollector()
       &cert_verifier_job_tracker_;
   trackers_[net::NetLog::SOURCE_HTTP_PIPELINED_CONNECTION] =
       &http_pipelined_connection_tracker_;
+  trackers_[net::NetLog::SOURCE_FILESTREAM] =
+      &file_stream_tracker_;
   // Make sure our mapping is up-to-date.
   for (size_t i = 0; i < arraysize(trackers_); ++i)
     DCHECK(trackers_[i]) << "Unhandled SourceType: " << i;
@@ -844,3 +846,30 @@ PassiveLogCollector::HttpPipelinedConnectionTracker::DoAddEntry(
   }
   return ACTION_NONE;
 }
+
+//----------------------------------------------------------------------------
+// FileStreamTracker
+//----------------------------------------------------------------------------
+
+const size_t
+PassiveLogCollector::FileStreamTracker::kMaxNumSources = 100;
+
+const size_t
+PassiveLogCollector::FileStreamTracker::kMaxGraveyardSize = 25;
+
+PassiveLogCollector::
+    FileStreamTracker::FileStreamTracker()
+        : SourceTracker(kMaxNumSources, kMaxGraveyardSize, NULL) {
+}
+
+PassiveLogCollector::SourceTracker::Action
+PassiveLogCollector::FileStreamTracker::DoAddEntry(
+    const ChromeNetLog::Entry& entry,
+    SourceInfo* out_info) {
+  AddEntryToSourceInfo(entry, out_info);
+  if (entry.type == net::NetLog::TYPE_FILE_STREAM_ALIVE &&
+      entry.phase == net::NetLog::PHASE_END) {
+    return ACTION_MOVE_TO_GRAVEYARD;
+  }
+  return ACTION_NONE;
+}
diff --git a/chrome/browser/net/passive_log_collector.h b/chrome/browser/net/passive_log_collector.h
index 2cb9ab4..c3b8da5 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_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();
 
@@ -492,6 +507,7 @@ 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