Added memory limit for chrome.activityLogPrivate returned results

chrome/browser/extensions/api/activity_log_private/activity_log_private_api.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/extensions/api/activity_log_private/activity_log_private_api.h"
 
 #include "base/lazy_instance.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
@@ skipping 145 matching lines @@
   // Convert Actions to ExtensionActivities.
   std::vector<linked_ptr<ExtensionActivity> > result_arr;
   for (std::vector<scoped_refptr<Action> >::iterator it = activities->begin();
        it != activities->end();
        ++it) {
     result_arr.push_back(
         make_linked_ptr(it->get()->ConvertToExtensionActivity().release()));
   }
 
   // Populate the return object.
-  // TODO(felt): Implement paging. Right now max_time and more_results are
-  // placeholder values.
   scoped_ptr<ActivityResultSet> result_set(new ActivityResultSet);
   result_set->activities = result_arr;
-  result_set->max_time = scoped_ptr<int>(new int(0));
-  result_set->more_results = false;
   results_ = activity_log_private::GetExtensionActivities::Results::Create(
       *result_set);
 
   SendResponse(true);
 }
 
 }  // namespace extensions