First pass at fixing guest browser cookies issue.

chrome/browser/ui/app_list/app_list_syncable_service.cc

 // Copyright 2013 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 "chrome/browser/ui/app_list/app_list_syncable_service.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/apps/drive/drive_app_provider.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 163 matching lines @@
 }
 
 // AppListSyncableService::ModelObserver
 
 class AppListSyncableService::ModelObserver : public AppListModelObserver {
  public:
   explicit ModelObserver(AppListSyncableService* owner)
       : owner_(owner),
         adding_item_(NULL) {
     DVLOG(2) << owner_ << ": ModelObserver Added";
+    DLOG(ERROR) << "syncable service";
     owner_->model()->AddObserver(this);
   }
 
   ~ModelObserver() override {
     owner_->model()->RemoveObserver(this);
     DVLOG(2) << owner_ << ": ModelObserver Removed";
   }
 
  private:
   // AppListModelObserver
@@ skipping 802 matching lines @@
   } else {
     res += " { " + item_name + " }";
     res += " [" + item_ordinal.ToDebugString() + "]";
     if (!parent_id.empty())
       res += " <" + parent_id.substr(0, 8) + ">";
   }
   return res;
 }
 
 }  // namespace app_list