First cut at UI for saving net_logs data into a temporary file on

chrome/browser/net/net_log_logger.cc

Index: chrome/browser/net/net_log_logger.cc
===================================================================
--- chrome/browser/net/net_log_logger.cc	(revision 173622)
+++ chrome/browser/net/net_log_logger.cc	(working copy)
@@ -43,6 +43,10 @@
   net_log->AddThreadSafeObserver(this, net::NetLog::LOG_ALL_BUT_BYTES);
 }
 
+void NetLogLogger::StopObserving(net::NetLog* net_log) {

[mmenke, 2012/12/27 20:43:05]

No need to take a net_log as a parameter here.  Can just do:

net_log()->RemoveThreadSafeObserver(this);

[ramant (doing other things), 2013/01/04 01:47:28]

Done.

+  net_log->RemoveThreadSafeObserver(this);
+}
+
 void NetLogLogger::OnAddEntry(const net::NetLog::Entry& entry) {
   scoped_ptr<Value> value(entry.ToValue());
   // Don't pretty print, so each JSON value occupies a single line, with no