Report Precache.TimeSinceLastPrecache

components/precache/content/precache_manager.cc

 // Copyright 2013 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/precache/content/precache_manager.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 105 matching lines @@
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   if (is_precaching_) {
     DLOG(WARNING) << "Cannot start precaching because precaching is already "
                      "in progress.";
     return;
   }
   precache_completion_callback_ = precache_completion_callback;
 
   is_precaching_ = true;
+  BrowserThread::PostTask(
+      BrowserThread::DB, FROM_HERE,
+      base::Bind(&PrecacheDatabase::SetLastPrecacheTimestamp,
+                 base::Unretained(precache_database_.get()),
+                 base::Time::Now()));
   BrowserThread::PostTaskAndReplyWithResult(
       BrowserThread::DB,
       FROM_HERE,
       base::Bind(&PrecacheDatabase::GetUnfinishedWork,
                  base::Unretained(precache_database_.get())),
       base::Bind(&PrecacheManager::OnGetUnfinishedWorkDone, AsWeakPtr()));
 }
 
 void PrecacheManager::OnGetUnfinishedWorkDone(
     std::unique_ptr<PrecacheUnfinishedWork> unfinished_work) {
@@ skipping 192 matching lines @@
       this));
   precache_fetcher_->Start();
 }
 
 void PrecacheManager::OnHostsReceivedThenDone(
     const history::TopHostsList& host_counts) {
   OnDone();
 }
 
 }  // namespace precache