Currently NetLog files written to disk (either by chrome://net-export or command line switch) are unbounded. The resulting file will continue growing until logging is stopped.
@dconnol added support as part of issue 500543 . This needs to be wired up as the default implementation.
Marking it as fixed based on the milestone that chrome://net-export/ defaults to bounded mode now.
There is some more work that can be done for defaulting or configuring the log size from the various other consumers (command line and cronet). But it should be a simple matter of passing the appropriate file size bound to FileNetLogObserver now to change those policies.
Comment 1 by eroman@chromium.org
, Jan 6 2017