Replace BrowserProces::AddRefModule/RemoveModule by ScopedKeepAlive

chrome/browser/lifetime/keep_alive_registry.cc

Index: chrome/browser/lifetime/keep_alive_registry.cc
diff --git a/chrome/browser/lifetime/keep_alive_registry.cc b/chrome/browser/lifetime/keep_alive_registry.cc
index e98006163fa60231d934be3a3c624f78dbe4fff7..cc54aaaf6abe0aac632cf971780c52d4272b6ff6 100644
--- a/chrome/browser/lifetime/keep_alive_registry.cc
+++ b/chrome/browser/lifetime/keep_alive_registry.cc
@@ -25,6 +25,10 @@ bool KeepAliveRegistry::IsRestartAllowed() const {
   return registered_count_ == restart_allowed_count_;
 }
 
+bool KeepAliveRegistry::IsOriginRegistered(KeepAliveOrigin origin) const {
+  return registered_keep_alives_.find(origin) != registered_keep_alives_.end();
+}
+
 void KeepAliveRegistry::AddObserver(KeepAliveStateObserver* observer) {
   observers_.AddObserver(observer);
 }
@@ -103,11 +107,11 @@ void KeepAliveRegistry::OnKeepingAliveChanged(bool new_keeping_alive) {
 
   if (new_keeping_alive) {
     DVLOG(1) << "KeepAliveRegistry is now keeping the browser alive.";
-    g_browser_process->AddRefModule();
+    g_browser_process->Pin();
   } else {
     DVLOG(1) << "KeepAliveRegistry stopped keeping the browser alive.";
-    g_browser_process->ReleaseModule();
-    chrome::CloseAllBrowsersIfNeeded();
+    g_browser_process->Unpin();
+    chrome::ShutdownIfNeeded();
   }
 }