Site Settings Desktop: Implement individual cookie removal and RemoveAll.

chrome/browser/browsing_data/cookies_tree_model.cc

Index: chrome/browser/browsing_data/cookies_tree_model.cc
diff --git a/chrome/browser/browsing_data/cookies_tree_model.cc b/chrome/browser/browsing_data/cookies_tree_model.cc
index 0b7d81e412e5dbe9724cf4d0fc7ac95c432869ca..9dd7bc5a41be899d57d43569e5f392dfd38a7f2d 100644
--- a/chrome/browser/browsing_data/cookies_tree_model.cc
+++ b/chrome/browser/browsing_data/cookies_tree_model.cc
@@ -1525,5 +1525,6 @@ void CookiesTreeModel::MaybeNotifyBatchesEnded() {
     FOR_EACH_OBSERVER(Observer,
                       cookies_observer_list_,
                       TreeModelEndBatch(this));
+    SetBatchExpectation(0, true);
   }
 }