[BackgroundSync] Add max sync event duration to BackgroundSyncParameters

content/browser/background_sync/background_sync_manager.cc

Index: content/browser/background_sync/background_sync_manager.cc
diff --git a/content/browser/background_sync/background_sync_manager.cc b/content/browser/background_sync/background_sync_manager.cc
index 327802d8567fc938f231fb786a78c4b5b504fb05..2896beaade4f62f14eb4c221d25daa42a57f2e1f 100644
--- a/content/browser/background_sync/background_sync_manager.cc
+++ b/content/browser/background_sync/background_sync_manager.cc
@@ -50,9 +50,6 @@ namespace {
 // The key used to index the background sync data in ServiceWorkerStorage.
 const char kBackgroundSyncUserDataKey[] = "BackgroundSyncUserData";
 
-// The amount of time that a sync event can fire for, in seconds.
-const int kSyncEventSec = 3 * 60;  // 3 minutes
-
 void PostErrorResponse(
     BackgroundSyncStatus status,
     const BackgroundSyncManager::StatusAndRegistrationCallback& callback) {
@@ -777,9 +774,8 @@ void BackgroundSyncManager::FireOneShotSync(
   // with the registration so don't give it a BackgroundSyncRegistrationHandle.
   // Once the render process gets the handle_id it can create its own handle
   // (with a new unique handle id).
-  active_version->DispatchSyncEvent(handle_id, last_chance,
-                                    base::TimeDelta::FromSeconds(kSyncEventSec),
-                                    callback);
+  active_version->DispatchSyncEvent(
+      handle_id, last_chance, parameters_->max_sync_event_duration, callback);
 }
 
 void BackgroundSyncManager::ScheduleDelayedTask(const base::Closure& callback,