| Index: content/browser/appcache/appcache_storage_impl.cc | 
| diff --git a/content/browser/appcache/appcache_storage_impl.cc b/content/browser/appcache/appcache_storage_impl.cc | 
| index 7f1ee9a3fcbfa269f15096c9de6f0a616d251f06..067d19acf4af5cdaabd64f439752b8268629365b 100644 | 
| --- a/content/browser/appcache/appcache_storage_impl.cc | 
| +++ b/content/browser/appcache/appcache_storage_impl.cc | 
| @@ -19,6 +19,7 @@ | 
| #include "base/stl_util.h" | 
| #include "base/strings/string_util.h" | 
| #include "base/thread_task_runner_handle.h" | 
| +#include "base/trace_event/trace_event.h" | 
| #include "content/browser/appcache/appcache.h" | 
| #include "content/browser/appcache/appcache_database.h" | 
| #include "content/browser/appcache/appcache_entry.h" | 
| @@ -664,6 +665,11 @@ void AppCacheStorageImpl::StoreGroupAndCacheTask::GetQuotaThenSchedule() { | 
| return; | 
| } | 
|  | 
| +  // crbug.com/349708 | 
| +  TRACE_EVENT0( | 
| +      "io", | 
| +      "AppCacheStorageImpl::StoreGroupAndCacheTask::GetQuotaThenSchedule"); | 
| + | 
| // We have to ask the quota manager for the value. | 
| storage_->pending_quota_queries_.insert(this); | 
| quota_manager->GetUsageAndQuota( | 
|  |