Fixed a few places that incorrectly assumed that profile was initialized

chrome/browser/extensions/extension_garbage_collector_chromeos.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/extensions/extension_assets_manager_chromeos.h"
 #include "chrome/browser/extensions/extension_garbage_collector_chromeos.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 41 matching lines @@
 
 bool ExtensionGarbageCollectorChromeOS::CanGarbageCollectSharedExtensions() {
   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
   if (!user_manager) {
     NOTREACHED();
     return false;
   }
 
   const user_manager::UserList& active_users = user_manager->GetLoggedInUsers();
   for (size_t i = 0; i < active_users.size(); i++) {
+    // If the profile for one of the active users is still initializing, we
+    // can't garbage collect.
+    if (!active_users[i]->is_profile_created())
+      return false;
     Profile* profile =
         chromeos::ProfileHelper::Get()->GetProfileByUserUnsafe(active_users[i]);
     ExtensionGarbageCollectorChromeOS* gc =
         ExtensionGarbageCollectorChromeOS::Get(profile);
     if (gc && gc->crx_installs_in_progress_ > 0)
       return false;
   }
 
   return true;
 }
 
 void ExtensionGarbageCollectorChromeOS::GarbageCollectSharedExtensions() {
   std::multimap<std::string, base::FilePath> paths;
   if (ExtensionAssetsManagerChromeOS::CleanUpSharedExtensions(&paths)) {
     ExtensionService* service =
         ExtensionSystem::Get(context_)->extension_service();
     if (!service->GetFileTaskRunner()->PostTask(
             FROM_HERE,
             base::Bind(&GarbageCollectExtensionsOnFileThread,
                        ExtensionAssetsManagerChromeOS::GetSharedInstallDir(),
                        paths))) {
       NOTREACHED();
     }
   }
 }
 
 }  // namespace extensions