Divide Cookie Store IOS tests into different files

ios/net/cookies/cookie_store_ios_test_util.h

+// Copyright 2017 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_TEST_UTIL_H_
+#define IOS_NET_COOKIES_COOKIE_STORE_IOS_TEST_UTIL_H_
+
+#include <string>
+#include <vector>
+
+#include "base/callback_forward.h"
+#include "net/cookies/cookie_monster.h"
+#include "net/cookies/cookie_store.h"
+#include "url/gurl.h"
+
+namespace net {
+
+class CanonicalCookie;
+
+// Test net::CookieMonster::PersistentCookieStore allowing to control when the
+// initialization completes.
+class TestPersistentCookieStore
+    : public net::CookieMonster::PersistentCookieStore {
+ public:
+  TestPersistentCookieStore();
+
+  // Runs the completion callback with a "a=b" cookie.
+  void RunLoadedCallback();
+
+  bool flushed();
+
+ private:
+  // net::CookieMonster::PersistentCookieStore implementation:
+  void Load(const LoadedCallback& loaded_callback) override;
+  void LoadCookiesForKey(const std::string& key,
+                         const LoadedCallback& loaded_callback) override;
+  void AddCookie(const net::CanonicalCookie& cc) override;
+  void UpdateCookieAccessTime(const net::CanonicalCookie& cc) override;
+  void DeleteCookie(const net::CanonicalCookie& cc) override;
+  void SetForceKeepSessionState() override;
+  void Flush(const base::Closure& callback) override;
+
+  ~TestPersistentCookieStore() override;
+
+  const GURL kTestCookieURL;
+  LoadedCallback loaded_callback_;
+  bool flushed_;
+};
+
+// Helper callback to be passed to CookieStore::GetCookiesWithOptionsAsync().
+class GetCookieCallback {
+ public:
+  GetCookieCallback();
+
+  // Returns true if the callback has been run.
+  bool did_run();
+
+  // Returns the parameter of the callback.
+  const std::string& cookie_line();
+
+  void Run(const std::string& cookie_line);
+
+ private:
+  bool did_run_;
+  std::string cookie_line_;
+};
+
+void RecordCookieChanges(std::vector<net::CanonicalCookie>* out_cookies,
+                         std::vector<bool>* out_removes,
+                         const net::CanonicalCookie& cookie,
+                         net::CookieStore::ChangeCause cause);
+
+// Sets a cookie.
+void SetCookie(const std::string& cookie_line,
+               const GURL& url,
+               net::CookieStore* store);
+
+// Clears the underlying NSHTTPCookieStorage.
+void ClearCookies();
+
+}  // namespace net
+
+#endif  // IOS_NET_COOKIES_COOKIE_STORE_IOS_TEST_UTIL_H_