Change CookieStore::DeleteCallback to take uint32_t.

ios/net/cookies/cookie_store_ios.h

 // Copyright 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.
 
 #ifndef IOS_NET_COOKIES_COOKIE_STORE_IOS_H_
 #define IOS_NET_COOKIES_COOKIE_STORE_IOS_H_
 
+#include <stdint.h>
+
 #include <map>
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/cancelable_callback.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
@@ skipping 228 matching lines @@
   // that hooks get run, but only after the changes have been written back to
   // CookieMonster. To do this, the mutators wrap the user-supplied callback in
   // a callback which schedules an asynchronous task to synchronize the cache
   // and run callbacks, then calls through to the user-specified callback.
   //
   // These three UpdateCachesAfter functions are responsible for scheduling an
   // asynchronous cache update (using UpdateCachesFromCookieMonster()) and
   // calling the provided callback.
 
   void UpdateCachesAfterSet(SetCookiesCallback callback, bool success);
-  void UpdateCachesAfterDelete(DeleteCallback callback, int num_deleted);
+  void UpdateCachesAfterDelete(DeleteCallback callback, uint32_t num_deleted);
   void UpdateCachesAfterClosure(base::OnceClosure callback);
 
   // Takes an NSArray of NSHTTPCookies as returns a net::CookieList.
   // The returned cookies are ordered by longest path, then earliest
   // creation date.
   net::CookieList CanonicalCookieListFromSystemCookies(NSArray* cookies);
 
   // Cached values of system cookies. Only cookies which have an observer added
   // with AddCallbackForCookie are kept in this cache.
   std::unique_ptr<CookieCache> cookie_cache_;
 
   // Callbacks for cookie changes installed by AddCallbackForCookie.
   std::map<std::pair<GURL, std::string>,
            std::unique_ptr<CookieChangedCallbackList>>
       hook_map_;
 
   base::WeakPtrFactory<CookieStoreIOS> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CookieStoreIOS);
 };
 
 }  // namespace net
 
 #endif  // IOS_NET_COOKIES_COOKIE_STORE_IOS_H_