Improve grammar in some comments.

net/cookies/cookie_store.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Brought to you by number 42.
 
 #ifndef NET_COOKIES_COOKIE_STORE_H_
 #define NET_COOKIES_COOKIE_STORE_H_
 
 #include <memory>
@@ skipping 139 matching lines @@
                                           const DeleteCallback& callback) = 0;
 
   // Deletes all of the cookies that have a creation_date greater than or equal
   // to |delete_begin| and less than |delete_end|
   // Calls |callback| with the number of cookies deleted.
   virtual void DeleteAllCreatedBetweenAsync(const base::Time& delete_begin,
                                             const base::Time& delete_end,
                                             const DeleteCallback& callback) = 0;
 
   // Deletes all of the cookies that match the given predicate and that have a
-  // creation_date greater than or equal to |delete_begin| and less then
+  // creation_date greater than or equal to |delete_begin| and smaller than
   // |delete_end|. This includes all http_only and secure cookies. Avoid
   // deleting cookies that could leave websites with a partial set of visible
   // cookies.
   // Calls |callback| with the number of cookies deleted.
   virtual void DeleteAllCreatedBetweenWithPredicateAsync(
       const base::Time& delete_begin,
       const base::Time& delete_end,
       const CookiePredicate& predicate,
       const DeleteCallback& callback) = 0;
 
@@ skipping 40 matching lines @@
   int GetChannelIDServiceID();
 
  protected:
   CookieStore();
   int channel_id_service_id_;
 };
 
 }  // namespace net
 
 #endif  // NET_COOKIES_COOKIE_STORE_H_