Fix crash on NTP related to multi-profile extensions.

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 66990b19eabdc543c08b2798849d14e905f76b8a..422b95c2983a7fd2c68f004bdb9060865a876ed8 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -273,13 +273,13 @@ Browser::Browser(Type type, Profile* profile)
   registrar_.Add(this, content::NOTIFICATION_SSL_VISIBLE_STATE_CHANGED,
                  NotificationService::AllSources());
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UPDATE_DISABLED,
-                 NotificationService::AllSources());
+                 Source<Profile>(profile_));
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED,
-                 NotificationService::AllSources());
+                 Source<Profile>(profile_));
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED,
-                 NotificationService::AllSources());
+                 Source<Profile>(profile_));
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNINSTALLED,
-                 NotificationService::AllSources());
+                 Source<Profile>(profile_));
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_PROCESS_TERMINATED,
                  NotificationService::AllSources());
   registrar_.Add(
@@ -3920,7 +3920,8 @@ void Browser::Observe(int type,
     }
 
     case chrome::NOTIFICATION_EXTENSION_PROCESS_TERMINATED: {
-      if (window()->GetLocationBar())
+      Profile* profile = Source<Profile>(source).ptr();
+      if (profile_->IsSameProfile(profile) && window()->GetLocationBar())

[jstritar, 2011/08/30 15:06:31]

I think this can come from an incognito profile, so I'm filtering on
IsSameProfile to be safe.

         window()->GetLocationBar()->InvalidatePageActions();
       break;
     }