[NOT FOR LANDING] Detailed loading traces

components/safe_browsing_db/remote_database_manager.cc

Index: components/safe_browsing_db/remote_database_manager.cc
diff --git a/components/safe_browsing_db/remote_database_manager.cc b/components/safe_browsing_db/remote_database_manager.cc
index 47d80627032d99d07ce09c2949da84c324a506fb..9b93cae9c5e871f178bcad44570a534e10761fcb 100644
--- a/components/safe_browsing_db/remote_database_manager.cc
+++ b/components/safe_browsing_db/remote_database_manager.cc
@@ -5,7 +5,7 @@
 #include "components/safe_browsing_db/remote_database_manager.h"
 
 #include <vector>
-
+#include "base/trace_event/trace_event.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
@@ -139,6 +139,10 @@ RemoteSafeBrowsingDatabaseManager::RemoteSafeBrowsingDatabaseManager()
 }
 
 RemoteSafeBrowsingDatabaseManager::~RemoteSafeBrowsingDatabaseManager() {
+  TRACE_EVENT0(
+      "toplevel",
+      "RemoteSafeBrowsingDatabaseManager::~RemoteSafeBrowsingDatabaseManager");
+
   DCHECK(!enabled_);
 }
 
@@ -236,6 +240,7 @@ bool RemoteSafeBrowsingDatabaseManager::IsCsdWhitelistKillSwitchOn() {
 
 bool RemoteSafeBrowsingDatabaseManager::CheckBrowseUrl(const GURL& url,
                                                        Client* client) {
+  TRACE_EVENT0("toplevel", "RemoteSafeBrowsingDatabaseManager::CheckBrowseUrl");
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (!enabled_)
     return true;