Add ongoing events to net-export log when logging starts

chrome/browser/io_thread.h

Index: chrome/browser/io_thread.h
diff --git a/chrome/browser/io_thread.h b/chrome/browser/io_thread.h
index 5bf834ad3917b3f93a9337726cec701d151a9a7e..7de16724dbf5c100bc61082a9b246d3800333710 100644
--- a/chrome/browser/io_thread.h
+++ b/chrome/browser/io_thread.h
@@ -224,7 +224,8 @@ class IOThread : public content::BrowserThreadDelegate {
   // Handles changing to On The Record mode, discarding confidential data.
   void ChangedToOnTheRecord();
 
-  // Returns a getter for the URLRequestContext.  Only called on the UI thread.
+  // Returns a getter for the system URLRequestContext. Only called on the UI

[eroman, 2017/02/22 02:03:29]

Please propose refactors io_thread as a separate CL.

Also note as a practical matter that I am not an OWNER for io_thread.{h,cc} so
you would need a different reviewer for those changes anyway.

[wangyix1, 2017/02/23 02:14:57]

Change reverted.

+  // thread.
   net::URLRequestContextGetter* system_url_request_context_getter();
 
   // Clears the host cache. Intended to be used to prevent exposing recently