Show notifications on low disk space.

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

Index: chrome/browser/chromeos/chrome_browser_main_chromeos.cc
diff --git a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
index edd09d6ea51f8aeb18f75b5d437b39f97022646b..68ded0b4b858b03ac72192aae956178440b7e5aa 100644
--- a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
+++ b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
@@ -77,6 +77,7 @@
 #include "chrome/browser/chromeos/settings/device_settings_service.h"
 #include "chrome/browser/chromeos/status/data_promo_notification.h"
 #include "chrome/browser/chromeos/system/input_device_settings.h"
+#include "chrome/browser/chromeos/ui/low_disk_notification.h"
 #include "chrome/browser/chromeos/upgrade_detector_chromeos.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
@@ -680,6 +681,10 @@ void ChromeBrowserMainPartsChromeos::PostProfileInit() {
     arc::ArcServiceManager::Get()->OnAshStarted();
   }
 
+  // Start watching for low disk space events to notify the user.
+  low_disk_notification_.reset(
+      new LowDiskNotification(DBusThreadManager::Get()->GetCryptohomeClient()));

[yoshiki, 2016/06/23 08:00:45]

Please free this instance explicitly before DBusThreadManager is free'd.

Maybe we should do it in
ChromeBrowserMainPartsChromeos::PostMainMessageLoopRun()?

[dspaid, 2016/06/27 05:40:04]

Done.

+
   ChromeBrowserMainPartsLinux::PostProfileInit();
 }