Commit a new download to history db immediately on Android

components/history/core/browser/history_backend.cc

Index: components/history/core/browser/history_backend.cc
diff --git a/components/history/core/browser/history_backend.cc b/components/history/core/browser/history_backend.cc
index 431eb37ba7507dba003f6933a0711812f5730397..047323edb0d9ab243ed95b36d054bf8ceb1210e8 100644
--- a/components/history/core/browser/history_backend.cc
+++ b/components/history/core/browser/history_backend.cc
@@ -1179,7 +1179,15 @@ bool HistoryBackend::CreateDownload(const DownloadRow& history_info) {
   if (!db_)
     return false;
   bool success = db_->CreateDownload(history_info);
+#if defined(OS_ANDROID)
+  // On android, browser process can get easily killed. Download will no longer
+  // be able to resume and the temporary file will linger forever if the
+  // download is not committed before that. Do the commit right away to avoid
+  // uncommitted download entry before browser kill.

[sky, 2016/08/30 03:21:21]

'before browser kill' -> 'if browser is killed'

[qinmin, 2016/08/30 16:31:32]

Done.

+  Commit();
+#else
   ScheduleCommit();
+#endif
   return success;
 }