Restart Chrome on ChromeOS as early as possible to speed up restart.

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index ed645b7e33d2f630a43fce3490ba5c6d0ce81cfc..803d2be5714d35baa1bee71f0fb0461c5c504398 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -124,6 +124,7 @@
 #include "chrome/browser/policy/schema_registry_service_factory.h"
 #include "components/policy/core/browser/browser_policy_connector.h"
 #if defined(OS_CHROMEOS)
+#include "chrome/browser/chromeos/login/login_utils.h"
 #include "chrome/browser/chromeos/policy/user_cloud_policy_manager_chromeos.h"
 #include "chrome/browser/chromeos/policy/user_cloud_policy_manager_factory_chromeos.h"
 #else
@@ -283,7 +284,9 @@ void RegisterDomDistillerViewerSource(Profile* profile) {
 Profile* Profile::CreateProfile(const base::FilePath& path,
                                 Delegate* delegate,
                                 CreateMode create_mode) {
-  TRACE_EVENT0("browser", "Profile::CreateProfile")
+  TRACE_EVENT_BEGIN1(
+      "browser", "Profile::CreateProfile", "profile_path", path.value());
+
   // Get sequenced task runner for making sure that file operations of
   // this profile (defined by |path|) are executed in expected order
   // (what was previously assured by the FILE thread).
@@ -644,6 +647,16 @@ void ProfileImpl::DoFinalInit() {
   RegisterDomDistillerViewerSource(this);
 
   // Creation has been finished.
+  TRACE_EVENT_END1(
+      "browser", "Profile::CreateProfile", "profile_path", path_.value());
+
+#if defined(OS_CHROMEOS)
+  if (chromeos::LoginUtils::Get()->RestartToApplyPerSessionFlagsIfNeed(this,
+                                                                       true)) {
+    return;
+  }
+#endif
+
   if (delegate_) {
     TRACE_EVENT0("browser", "ProfileImpl::DoFileInit:DelegateOnProfileCreated")
     delegate_->OnProfileCreated(this, true, IsNewProfile());