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 069c314d9eca0f93a22328d3e513dddf6cfc5afb..13a6503b06a43b6cb5e5576a6c706dc2c27cff2d 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -116,6 +116,7 @@
 #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
@@ -278,7 +279,9 @@ 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).
@@ -633,6 +636,14 @@ 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))
+    return;
+#endif
+
   if (delegate_) {
     TRACE_EVENT0("browser", "ProfileImpl::DoFileInit:DelegateOnProfileCreated")
     delegate_->OnProfileCreated(this, true, IsNewProfile());