Don't commit prefs::kStabilitySessionEndCompleted change immediately on chromeos

chrome/browser/browser_process_impl.cc

Index: chrome/browser/browser_process_impl.cc
diff --git a/chrome/browser/browser_process_impl.cc b/chrome/browser/browser_process_impl.cc
index a48c7e2a46bf8ce4e0410ecaf4b25ef5362bec0d..ca42314090400c3d1484ccde3bd012f6ce8a1063 100644
--- a/chrome/browser/browser_process_impl.cc
+++ b/chrome/browser/browser_process_impl.cc
@@ -362,11 +362,9 @@ void BrowserProcessImpl::EndSession() {
 
   // Tell the metrics service it was cleanly shutdown.
   MetricsService* metrics = g_browser_process->metrics_service();
-  if (metrics && local_state()) {
+  if (metrics) {
+    // MetricsService::RecordStartOfSessionEnd writes to prefs immediately.
     metrics->RecordStartOfSessionEnd();
-
-    // MetricsService lazily writes to prefs, force it to write now.
-    local_state()->CommitPendingWrite();
   }
 
   // http://crbug.com/125207