Added last_access_time to DownloadItem and History DB

chrome/browser/ntp_snippets/fake_download_item.cc

Index: chrome/browser/ntp_snippets/fake_download_item.cc
diff --git a/chrome/browser/ntp_snippets/fake_download_item.cc b/chrome/browser/ntp_snippets/fake_download_item.cc
index ef06a2849547ffc6e313fe6473858a67a4737cf4..908e9cd26164e22b594e8ee4f0d5deaa87fd5cdd 100644
--- a/chrome/browser/ntp_snippets/fake_download_item.cc
+++ b/chrome/browser/ntp_snippets/fake_download_item.cc
@@ -356,6 +356,11 @@ bool FakeDownloadItem::GetOpened() const {
   return false;
 }
 
+base::Time FakeDownloadItem::GetLastAccessTime() const {
+  NOTREACHED();
+  return base::Time();
+}
+
 content::BrowserContext* FakeDownloadItem::GetBrowserContext() const {
   NOTREACHED();
   return nullptr;
@@ -379,6 +384,10 @@ void FakeDownloadItem::SetOpened(bool opened) {
   NOTREACHED();
 }
 
+void FakeDownloadItem::UpdateLastAccessTime() {
+  NOTREACHED();
+}
+
 void FakeDownloadItem::SetDisplayName(const base::FilePath& name) {
   NOTREACHED();
 }