sync: Refactor bookmarks integration tests

chrome/browser/sync/test/integration/status_change_checker.cc

Index: chrome/browser/sync/test/integration/status_change_checker.cc
diff --git a/chrome/browser/sync/test/integration/status_change_checker.cc b/chrome/browser/sync/test/integration/status_change_checker.cc
index 7ad6d6b88335f99c59711136aa81af0f7af4b7b5..2559983124d39c3cfbc1d51ac5467d4d696c46c6 100644
--- a/chrome/browser/sync/test/integration/status_change_checker.cc
+++ b/chrome/browser/sync/test/integration/status_change_checker.cc
@@ -27,16 +27,11 @@ void StatusChangeChecker::StartBlockingWait() {
               GetTimeoutDuration(),
               base::Bind(&StatusChangeChecker::OnTimeout,
                          base::Unretained(this)));
-
-  {
-    base::MessageLoop* loop = base::MessageLoop::current();
-    base::MessageLoop::ScopedNestableTaskAllower allow(loop);
-    loop->Run();
-  }
+  run_loop_.Run();
 }
 
 void StatusChangeChecker::StopWaiting() {
-  base::MessageLoop::current()->QuitWhenIdle();
+  run_loop_.Quit();
 }
 
 void StatusChangeChecker::CheckExitCondition() {