Implement a task scheduler for BrowsingDataRemover

chrome/browser/prerender/prerender_browsertest.cc

Index: chrome/browser/prerender/prerender_browsertest.cc
diff --git a/chrome/browser/prerender/prerender_browsertest.cc b/chrome/browser/prerender/prerender_browsertest.cc
index eac49bffe49481a2c5ddc523557c6e920ff4bb43..eac7cc09406dfdfe3ce1b897c3355404be01a271 100644
--- a/chrome/browser/prerender/prerender_browsertest.cc
+++ b/chrome/browser/prerender/prerender_browsertest.cc
@@ -231,8 +231,8 @@ void ClearBrowsingData(Browser* browser, int remove_mask) {
   BrowsingDataRemover* remover =
       BrowsingDataRemoverFactory::GetForBrowserContext(browser->profile());
   BrowsingDataRemoverCompletionObserver observer(remover);
-  remover->Remove(BrowsingDataRemover::Unbounded(), remove_mask,
-                  BrowsingDataHelper::UNPROTECTED_WEB);
+  remover->RemoveAndReply(BrowsingDataRemover::Unbounded(), remove_mask,
+                          BrowsingDataHelper::UNPROTECTED_WEB, &observer);
   observer.BlockUntilCompletion();
   // BrowsingDataRemover deletes itself.
 }