[NOT FOR LANDING] Detailed loading traces

components/safe_browsing_db/remote_database_manager.cc

 // Copyright 2015 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/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"
 #include "base/timer/elapsed_timer.h"
 #include "components/safe_browsing_db/safe_browsing_api_handler.h"
 #include "components/safe_browsing_db/v4_get_hash_protocol_manager.h"
 #include "components/variations/variations_associated_data.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
@@ skipping 113 matching lines @@
       int i;
       if (base::StringToInt(val_str, &i) && i >= 0 &&
           i < content::RESOURCE_TYPE_LAST_TYPE) {
         resource_types_to_check_.insert(static_cast<content::ResourceType>(i));
       }
     }
   }
 }
 
 RemoteSafeBrowsingDatabaseManager::~RemoteSafeBrowsingDatabaseManager() {
+  TRACE_EVENT0(
+      "toplevel",
+      "RemoteSafeBrowsingDatabaseManager::~RemoteSafeBrowsingDatabaseManager");
+
   DCHECK(!enabled_);
 }
 
 bool RemoteSafeBrowsingDatabaseManager::IsSupported() const {
   return SafeBrowsingApiHandler::GetInstance() != nullptr;
 }
 
 safe_browsing::ThreatSource RemoteSafeBrowsingDatabaseManager::GetThreatSource()
     const {
   return safe_browsing::ThreatSource::REMOTE;
@@ skipping 77 matching lines @@
   return true;
 }
 
 bool RemoteSafeBrowsingDatabaseManager::IsCsdWhitelistKillSwitchOn() {
   NOTREACHED();
   return true;
 }
 
 bool RemoteSafeBrowsingDatabaseManager::CheckBrowseUrl(const GURL& url,
                                                        Client* client) {
+  TRACE_EVENT0("toplevel", "RemoteSafeBrowsingDatabaseManager::CheckBrowseUrl");
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (!enabled_)
     return true;
 
   bool can_check_url = CanCheckUrl(url);
   UMA_HISTOGRAM_BOOLEAN("SB2.RemoteCall.CanCheckUrl", can_check_url);
   if (!can_check_url)
     return true;  // Safe, continue right away.
 
   scoped_ptr<ClientRequest> req(new ClientRequest(client, this, url));
@@ skipping 50 matching lines @@
   for (auto req : to_callback) {
     DVLOG(1) << "Stopping: Invoking unfinished req for URL " << req->url();
     req->OnRequestDone(SB_THREAT_TYPE_SAFE, ThreatMetadata());
   }
   enabled_ = false;
 
   SafeBrowsingDatabaseManager::StopOnIOThread(shutdown);
 }
 
 }  // namespace safe_browsing