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

chrome/browser/importer/ie_importer_browsertest_win.cc

Index: chrome/browser/importer/ie_importer_browsertest_win.cc
diff --git a/chrome/browser/importer/ie_importer_browsertest_win.cc b/chrome/browser/importer/ie_importer_browsertest_win.cc
index c1a8eb440e7c684da6b91dfc0c201e064951ccdd..168ab45f4f114b8d3162f9df6980451730bc5061 100644
--- a/chrome/browser/importer/ie_importer_browsertest_win.cc
+++ b/chrome/browser/importer/ie_importer_browsertest_win.cc
@@ -240,7 +240,7 @@ class TestObserver : public ProfileWriter,
   void ImportItemStarted(importer::ImportItem item) override {}
   void ImportItemEnded(importer::ImportItem item) override {}
   void ImportEnded() override {
-    base::MessageLoop::current()->Quit();
+    base::MessageLoop::current()->QuitWhenIdle();
     if (importer_items_ & importer::FAVORITES) {
       EXPECT_EQ(arraysize(kIEBookmarks), bookmark_count_);
       EXPECT_EQ(arraysize(kIEFaviconGroup), favicon_count_);
@@ -388,7 +388,7 @@ class MalformedFavoritesRegistryTestObserver
   void ImportItemStarted(importer::ImportItem item) override {}
   void ImportItemEnded(importer::ImportItem item) override {}
   void ImportEnded() override {
-    base::MessageLoop::current()->Quit();
+    base::MessageLoop::current()->QuitWhenIdle();
     EXPECT_EQ(arraysize(kIESortedBookmarks), bookmark_count_);
   }