[NTP::Downloads] Use last access time to filter old asset downloads.

content/public/test/fake_download_item.h

 // Copyright 2016 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.
 
 #ifndef CONTENT_PUBLIC_TEST_FAKE_DOWNLOAD_ITEM_H_
 #define CONTENT_PUBLIC_TEST_FAKE_DOWNLOAD_ITEM_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 54 matching lines @@
 
   void SetOriginalUrl(const GURL& url);
   const GURL& GetOriginalUrl() const override;
 
   void SetLastReason(DownloadInterruptReason last_reason);
   DownloadInterruptReason GetLastReason() const override;
 
   void SetReceivedBytes(int64_t received_bytes);
   int64_t GetReceivedBytes() const override;
 
+  void SetLastAccessTime(base::Time time) override;
+  base::Time GetLastAccessTime() const override;
+
   // The methods below are not supported and are not expected to be called.
   void ValidateDangerousDownload() override;
   void StealDangerousDownload(bool delete_file_afterward,
                               const AcquireFileCallback& callback) override;
   void Pause() override;
   void Resume() override;
   void Cancel(bool user_cancel) override;
   void Remove() override;
   void OpenDownload() override;
   void ShowDownloadInShell() override;
@@ skipping 29 matching lines @@
   bool AllDataSaved() const override;
   int64_t GetTotalBytes() const override;
   const std::vector<DownloadItem::ReceivedSlice>& GetReceivedSlices()
       const override;
   bool CanShowInFolder() override;
   bool CanOpenDownload() override;
   bool ShouldOpenFileBasedOnExtension() override;
   bool GetOpenWhenComplete() const override;
   bool GetAutoOpened() override;
   bool GetOpened() const override;
-  base::Time GetLastAccessTime() const override;
   bool IsTransient() const override;
   BrowserContext* GetBrowserContext() const override;
   WebContents* GetWebContents() const override;
   void OnContentCheckCompleted(DownloadDangerType danger_type) override;
   void SetOpenWhenComplete(bool open) override;
   void SetOpened(bool opened) override;
-  void SetLastAccessTime(base::Time time) override;
   void SetDisplayName(const base::FilePath& name) override;
   std::string DebugString(bool verbose) const override;
 
  private:
   base::ObserverList<Observer> observers_;
   uint32_t id_ = 0;
   std::string guid_;
   GURL url_;
   base::FilePath file_path_;
   bool is_file_externally_removed_ = false;
   base::Time start_time_;
   base::Time end_time_;
+  base::Time last_access_time_;
   // MAX_DOWNLOAD_STATE is used as the uninitialized state.
   DownloadState download_state_ =
       DownloadItem::DownloadState::MAX_DOWNLOAD_STATE;
   std::string mime_type_;
   GURL original_url_;
   DownloadInterruptReason last_reason_ =
       DownloadInterruptReason::DOWNLOAD_INTERRUPT_REASON_NONE;
   int64_t received_bytes_ = 0;
 
   // The members below are to be returned by methods, which return by reference.
   std::string dummy_string;
   std::vector<GURL> dummy_url_vector;
   GURL dummy_url;
   base::FilePath dummy_file_path;
 
   DISALLOW_COPY_AND_ASSIGN(FakeDownloadItem);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_FAKE_DOWNLOAD_ITEM_H_