Replace BrowserProces::AddRefModule/RemoveModule by ScopedKeepAlive

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 1595e868001d614ce36dc7d5dc0e6cc947427210..62b1dd19b09a3bc5fc0ad13c198366dc2f57968e 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -62,6 +62,8 @@
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/lifetime/keep_alive_registry.h"
+#include "chrome/browser/lifetime/keep_alive_types.h"
+#include "chrome/browser/lifetime/scoped_keep_alive.h"
 #include "chrome/browser/memory/tab_manager_web_contents_data.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
 #include "chrome/browser/pepper_broker_infobar_delegate.h"
@@ -945,6 +947,14 @@ void Browser::ShowModalSyncConfirmationWindow() {
   signin_view_controller_.ShowModalSyncConfirmationDialog(this);
 }
 
+void Browser::RegisterKeepAlive() {
+  keep_alive_.reset(new ScopedKeepAlive(KeepAliveOrigin::BROWSER,
+                                        KeepAliveRestartOption::DISABLED));
+}
+void Browser::UnregisterKeepAlive() {
+  keep_alive_.reset();
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, PageNavigator implementation: