Don't use base::MessageLoop::{Quit,QuitClosure} in chrome/

chrome/browser/profiles/profile_window_browsertest.cc

Index: chrome/browser/profiles/profile_window_browsertest.cc
diff --git a/chrome/browser/profiles/profile_window_browsertest.cc b/chrome/browser/profiles/profile_window_browsertest.cc
index 16fc0fc7fc6508b0f7f47bb6495ca58eba814b97..817b46b20c2deb2eac996045c39cea1fd8f49ad3 100644
--- a/chrome/browser/profiles/profile_window_browsertest.cc
+++ b/chrome/browser/profiles/profile_window_browsertest.cc
@@ -54,7 +54,9 @@ class WaitForHistoryTask : public history::HistoryDBTask {
     return true;
   }
 
-  void DoneRunOnMainThread() override { base::MessageLoop::current()->Quit(); }
+  void DoneRunOnMainThread() override {
+    base::MessageLoop::current()->QuitWhenIdle();
+  }
 
  private:
   ~WaitForHistoryTask() override {}