Added logging useful for understanding Pepper broker lifetime.

Also, added support for VLOG to Pepper OOP plugin and Pepper broker processes by forwarding --vmodule to these processes.

BUG=none
TEST=Launch a dbg build of Chrome with --vmodule=ppapi_plugin_process_host=1,broker_process_dispatcher=1,ppapi_broker_main=1,broker_dispatcher=1,proxy_channel=1", visit a page that uses the broker, and navigate away from that page. The new log statements should be displayed.


Review URL: http://codereview.chromium.org/8347009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@107451 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/content/ppapi_plugin/ppapi_broker_main.cc b/content/ppapi_plugin/ppapi_broker_main.cc
index 17cd7b7..8789a612 100644
--- a/content/ppapi_plugin/ppapi_broker_main.cc
+++ b/content/ppapi_plugin/ppapi_broker_main.cc
@@ -24,5 +24,6 @@
   ppapi_broker_process.set_main_thread(new PpapiThread(true));  // Broker.
 
   main_message_loop.Run();
+  DVLOG(1) << "PpapiBrokerMain exiting";
   return 0;
 }