Port HistoryService::QueryRedirects{From,To} to CancelableTaskTracker

chrome/browser/safe_browsing/malware_details_history.cc

Index: chrome/browser/safe_browsing/malware_details_history.cc
diff --git a/chrome/browser/safe_browsing/malware_details_history.cc b/chrome/browser/safe_browsing/malware_details_history.cc
index 6c0910f31107a656f79e19e8b6d61898d4efe879..0980926b530e1a741181d741ecaed3186c008843 100644
--- a/chrome/browser/safe_browsing/malware_details_history.cc
+++ b/chrome/browser/safe_browsing/malware_details_history.cc
@@ -97,23 +97,19 @@ void MalwareDetailsRedirectsCollector::GetRedirects(const GURL& url) {
 
   history->QueryRedirectsTo(
       url,
-      &request_consumer_,
       base::Bind(&MalwareDetailsRedirectsCollector::OnGotQueryRedirectsTo,
-                 base::Unretained(this)));
+                 base::Unretained(this)),
+      &request_tracker_);
 }
 
 void MalwareDetailsRedirectsCollector::OnGotQueryRedirectsTo(
-    HistoryService::Handle handle,
     GURL url,
     bool success,
-    history::RedirectList* redirect_list) {
-
+    const history::RedirectList* redirect_list) {
   if (success && redirect_list->size() > 0) {
     std::vector<GURL> urllist;
     urllist.push_back(url);
-    for (size_t i = 0; i < redirect_list->size(); i++) {
-      urllist.push_back(redirect_list->at(i));
-    }
+    urllist.insert(urllist.end(), redirect_list->begin(), redirect_list->end());
     redirects_urls_.push_back(urllist);
   }