Added last_access_time to DownloadItem and History DB

content/browser/download/download_item_impl.cc

Index: content/browser/download/download_item_impl.cc
diff --git a/content/browser/download/download_item_impl.cc b/content/browser/download/download_item_impl.cc
index b1957ab604da102d286647b0ec1d842cce67eef4..df4a7f826c08fc167e60b7dcd187729d8389f041 100644
--- a/content/browser/download/download_item_impl.cc
+++ b/content/browser/download/download_item_impl.cc
@@ -145,6 +145,7 @@ DownloadItemImpl::DownloadItemImpl(
     DownloadDangerType danger_type,
     DownloadInterruptReason interrupt_reason,
     bool opened,
+    const base::Time& last_access_time,
     const std::vector<DownloadItem::ReceivedSlice>& received_slices,
     const net::NetLogWithSource& net_log)
     : guid_(base::ToUpperASCII(guid)),
@@ -166,6 +167,7 @@ DownloadItemImpl::DownloadItemImpl(
       end_time_(end_time),
       delegate_(delegate),
       opened_(opened),
+      last_access_time_(last_access_time),
       current_path_(current_path),
       received_bytes_(received_bytes),
       all_data_saved_(state == COMPLETE),
@@ -458,6 +460,7 @@ void DownloadItemImpl::OpenDownload() {
   delegate_->CheckForFileRemoval(this);
   RecordOpen(GetEndTime(), !GetOpened());
   opened_ = true;
+  last_access_time_ = base::Time::Now();
   for (auto& observer : observers_)
     observer.OnDownloadOpened(this);
   delegate_->OpenDownload(this);
@@ -771,6 +774,10 @@ bool DownloadItemImpl::GetOpened() const {
   return opened_;
 }
 
+base::Time DownloadItemImpl::GetLastAccessTime() const {
+  return last_access_time_;
+}
+
 BrowserContext* DownloadItemImpl::GetBrowserContext() const {
   return delegate_->GetBrowserContext();
 }
@@ -810,6 +817,11 @@ void DownloadItemImpl::SetOpened(bool opened) {
   opened_ = opened;
 }
 
+void DownloadItemImpl::SetLastAccessTime(const base::Time& last_access_time) {
+  last_access_time_ = last_access_time;
+  UpdateObservers();
+}
+
 void DownloadItemImpl::SetDisplayName(const base::FilePath& name) {
   display_name_ = name;
 }