Unload all apps / extensions when deleting a profile.

chrome/browser/extensions/extension_service.cc

Index: chrome/browser/extensions/extension_service.cc
diff --git a/chrome/browser/extensions/extension_service.cc b/chrome/browser/extensions/extension_service.cc
index 037abdbbdbe63e221bd4e4d1888fafcbb310cb18..84cba2eaea10ddaeff56381dd9968cef807a11b5 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -301,6 +301,9 @@ ExtensionService::ExtensionService(Profile* profile,
                  content::NotificationService::AllBrowserContextsAndSources());
   registrar_.Add(this, chrome::NOTIFICATION_UPGRADE_RECOMMENDED,
                  content::NotificationService::AllBrowserContextsAndSources());
+  registrar_.Add(this,
+                 chrome::NOTIFICATION_PROFILE_DESTRUCTION_STARTED,
+                 content::NotificationService::AllBrowserContextsAndSources());

[sky, 2014/05/07 22:17:32]

nit: seems like you could add for the source you care about and remove
conditional around 2159.

[scheib, 2014/05/08 15:17:52]

Done.

   pref_change_registrar_.Init(profile->GetPrefs());
   base::Closure callback =
       base::Bind(&ExtensionService::OnExtensionInstallPrefChanged,
@@ -2152,6 +2155,12 @@ void ExtensionService::Observe(int type,
                         OnChromeUpdateAvailable());
       break;
     }
+    case chrome::NOTIFICATION_PROFILE_DESTRUCTION_STARTED: {
+      if (profile_ == content::Source<Profile>(source).ptr()) {
+        OnProfileDestructionStarted();
+      }
+      break;
+    }
 
     default:
       NOTREACHED() << "Unexpected notification type.";
@@ -2415,3 +2424,12 @@ void ExtensionService::UnloadAllExtensionsInternal() {
   // EXTENSION_UNLOADED since that implies that the extension has been disabled
   // or uninstalled.
 }
+
+void ExtensionService::OnProfileDestructionStarted() {
+  ExtensionIdSet ids_to_unload = registry_->enabled_extensions().GetIDs();
+  for (ExtensionIdSet::iterator it = ids_to_unload.begin();
+       it != ids_to_unload.end();
+       ++it) {
+    UnloadExtension(*it, UnloadedExtensionInfo::REASON_PROFILE_SHUTDOWN);
+  }
+}