[Offline Pages] Updated clearing logic in storage manager.

components/offline_pages/offline_page_model.cc

 // Copyright 2015 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 "components/offline_pages/offline_page_model.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 100 matching lines @@
   return url.SchemeIsHTTPOrHTTPS();
 }
 
 // protected
 OfflinePageModel::OfflinePageModel()
     : is_loaded_(false), weak_ptr_factory_(this) {}
 
 OfflinePageModel::OfflinePageModel(
     std::unique_ptr<OfflinePageMetadataStore> store,
     const base::FilePath& archives_dir,
-    const scoped_refptr<base::SequencedTaskRunner>& task_runner)
+    const scoped_refptr<base::SequencedTaskRunner>& task_runner,
+    PrefService* prefs)
     : store_(std::move(store)),
       archives_dir_(archives_dir),
       is_loaded_(false),
       task_runner_(task_runner),
       policy_controller_(new ClientPolicyController()),
+      prefs_(prefs),
       weak_ptr_factory_(this) {
   task_runner_->PostTaskAndReply(
       FROM_HERE, base::Bind(EnsureArchivesDirCreated, archives_dir_),
       base::Bind(&OfflinePageModel::OnEnsureArchivesDirCreatedDone,
                  weak_ptr_factory_.GetWeakPtr(), base::TimeTicks::Now()));
 }
 
 OfflinePageModel::~OfflinePageModel() {
 }
 
@@ skipping 494 matching lines @@
   // TODO(jianli): rebuild the store upon failure.
 
   if (load_status == OfflinePageMetadataStore::LOAD_SUCCEEDED)
     CacheLoadedData(offline_pages);
 
   UMA_HISTOGRAM_TIMES("OfflinePages.Model.ConstructionToLoadedEventTime",
                       base::TimeTicks::Now() - start_time);
 
   // Create Storage Manager.
   storage_manager_.reset(
-      new OfflinePageStorageManager(this, GetPolicyController()));
+      new OfflinePageStorageManager(this, GetPolicyController(), prefs_));
 
   // Run all the delayed tasks.
   for (const auto& delayed_task : delayed_tasks_)
     delayed_task.Run();
   delayed_tasks_.clear();
 
   FOR_EACH_OBSERVER(Observer, observers_, OfflinePageModelLoaded(this));
 
   CheckForExternalFileDeletion();
 }
@@ skipping 182 matching lines @@
 void OfflinePageModel::RunWhenLoaded(const base::Closure& task) {
   if (!is_loaded_) {
     delayed_tasks_.push_back(task);
     return;
   }
 
   base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, task);
 }
 
 }  // namespace offline_pages