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 47ad0ee6944fc98bafb52c0621adf81b0e10e239..62df502a374bbd51c07234320cbcc9603baf6085 100644
--- a/content/browser/download/download_item_impl.cc
+++ b/content/browser/download/download_item_impl.cc
@@ -144,6 +144,7 @@ DownloadItemImpl::DownloadItemImpl(DownloadItemImplDelegate* delegate,
                                    DownloadDangerType danger_type,
                                    DownloadInterruptReason interrupt_reason,
                                    bool opened,
+                                   const base::Time& last_access_time,
                                    const net::NetLogWithSource& net_log)
     : guid_(base::ToUpperASCII(guid)),
       download_id_(download_id),
@@ -164,6 +165,7 @@ DownloadItemImpl::DownloadItemImpl(DownloadItemImplDelegate* delegate,
       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),
@@ -455,6 +457,7 @@ 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);
@@ -763,6 +766,10 @@ bool DownloadItemImpl::GetOpened() const {
   return opened_;
 }
 
+base::Time DownloadItemImpl::GetLastAccessTime() const {
+  return last_access_time_;
+}
+
 BrowserContext* DownloadItemImpl::GetBrowserContext() const {
   return delegate_->GetBrowserContext();
 }
@@ -802,6 +809,11 @@ 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;
 }