Deliver NOTIFICATION_SESSION_STARTED if the browser crashes and is restarted.

BUG=112109
TEST=Crash the browser and verify that screenlocker observers have been registered (i.e. short power press works).

Review URL: https://chromiumcodereview.appspot.com/9310002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@120099 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

@@ -51,9 +51,11 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/views/browser_dialogs.h"
+#include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/logging_chrome.h"
 #include "chrome/common/pref_names.h"
+#include "content/public/browser/notification_service.h"
 #include "content/public/common/main_function_params.h"
 #include "grit/platform_locale_settings.h"
 #include "net/base/network_change_notifier.h"
@@ -388,6 +390,10 @@ void ChromeBrowserMainPartsChromeos::PreProfileInit() {
     // initialization code sees policy settings.
     g_browser_process->browser_policy_connector()->InitializeUserPolicy(
         username, false  /* wait_for_policy_fetch */);
+    content::NotificationService::current()->Notify(
+        chrome::NOTIFICATION_SESSION_STARTED,
+        content::NotificationService::AllSources(),
+        content::NotificationService::NoDetails());
   } else if (parsed_command_line().HasSwitch(switches::kLoginManager)) {
     // Initialize status area mode early on.
     chromeos::StatusAreaViewChromeos::

chrome/common/chrome_notification_types.h

@@ -780,7 +780,8 @@ enum NotificationType {
 
   // Sent when the chromium session is first started. If this is a new user this
   // will not be sent until a profile picture has been selected, unlike
-  // NOTIFICATION_LOGIN_USER_CHANGED which is sent after the user has logged in.
+  // NOTIFICATION_LOGIN_USER_CHANGED which is sent immediately after the user
+  // has logged in. This will be sent again if the browser crashes and restarts.
   NOTIFICATION_SESSION_STARTED,
 
   // Sent when user image is updated.