Shift cookie system callbacks to OnceCallback to impedance match mojo.

ios/net/cookies/cookie_store_ios_persistent.h

Index: ios/net/cookies/cookie_store_ios_persistent.h
diff --git a/ios/net/cookies/cookie_store_ios_persistent.h b/ios/net/cookies/cookie_store_ios_persistent.h
index 18dba8fbfb910481fb9cf0a1ec6f5b4c09164a91..70f798b34eb5a58ab53a121cb61a3bc2c230b286 100644
--- a/ios/net/cookies/cookie_store_ios_persistent.h
+++ b/ios/net/cookies/cookie_store_ios_persistent.h
@@ -39,7 +39,7 @@ class CookieStoreIOSPersistent : public CookieStoreIOS {
   void SetCookieWithOptionsAsync(const GURL& url,
                                  const std::string& cookie_line,
                                  const net::CookieOptions& options,
-                                 const SetCookiesCallback& callback) override;
+                                 SetCookiesCallback callback) override;
   void SetCookieWithDetailsAsync(const GURL& url,
                                  const std::string& name,
                                  const std::string& value,
@@ -52,33 +52,32 @@ class CookieStoreIOSPersistent : public CookieStoreIOS {
                                  bool http_only,
                                  CookieSameSite same_site,
                                  CookiePriority priority,
-                                 const SetCookiesCallback& callback) override;
+                                 SetCookiesCallback callback) override;
   void SetCanonicalCookieAsync(std::unique_ptr<CanonicalCookie> cookie,
                                bool secure_source,
                                bool modify_http_only,
-                               const SetCookiesCallback& callback) override;
+                               SetCookiesCallback callback) override;
   void GetCookiesWithOptionsAsync(const GURL& url,
                                   const net::CookieOptions& options,
-                                  const GetCookiesCallback& callback) override;
-  void GetCookieListWithOptionsAsync(
-      const GURL& url,
-      const net::CookieOptions& options,
-      const GetCookieListCallback& callback) override;
-  void GetAllCookiesAsync(const GetCookieListCallback& callback) override;
+                                  GetCookiesCallback callback) override;
+  void GetCookieListWithOptionsAsync(const GURL& url,
+                                     const net::CookieOptions& options,
+                                     GetCookieListCallback callback) override;
+  void GetAllCookiesAsync(GetCookieListCallback callback) override;
   void DeleteCookieAsync(const GURL& url,
                          const std::string& cookie_name,
-                         const base::Closure& callback) override;
+                         base::OnceClosure callback) override;
   void DeleteCanonicalCookieAsync(const CanonicalCookie& cookie,
-                                  const DeleteCallback& callback) override;
+                                  DeleteCallback callback) override;
   void DeleteAllCreatedBetweenAsync(const base::Time& delete_begin,
                                     const base::Time& delete_end,
-                                    const DeleteCallback& callback) override;
+                                    DeleteCallback callback) override;
   void DeleteAllCreatedBetweenWithPredicateAsync(
       const base::Time& delete_begin,
       const base::Time& delete_end,
       const CookiePredicate& predicate,
-      const DeleteCallback& callback) override;
-  void DeleteSessionCookiesAsync(const DeleteCallback& callback) override;
+      DeleteCallback callback) override;
+  void DeleteSessionCookiesAsync(DeleteCallback callback) override;
 
  private:
   // No-op functions for this class.