[Autofill] Remove direct use of base::Time::Now() in Autofill

components/autofill/core/browser/autofill_clock.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 COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_CLOCK_H_
+#define COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_CLOCK_H_
+

[Mathieu, 2017/01/25 19:57:24]

include <memory>

[sebsg, 2017/01/25 21:35:27]

Done.

+#include "base/gtest_prod_util.h"
+#include "base/lazy_instance.h"
+#include "base/macros.h"
+#include "base/memory/ptr_util.h"

[Mathieu, 2017/01/25 19:57:24]

need?

[sebsg, 2017/01/25 21:35:27]

Not anymore!

+
+namespace base {
+class Clock;
+class Time;
+}  // namespace base
+
+namespace autofill {
+
+class AutofillClock {
+ public:
+  static base::Time Now();
+
+  AutofillClock();
+  ~AutofillClock();
+  AutofillClock(AutofillClock const&) = delete;

[Mathieu, 2017/01/25 19:57:24]

is that DISALLOW_COPY_AND_ASSIGN?

[sebsg, 2017/01/25 21:35:27]

Done.

+  void operator=(AutofillClock const&) = delete;
+
+ private:
+  FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,

[Mathieu, 2017/01/25 19:57:24]

worried this will get cluttered... 

friend class PersonalDataManagerTest; is good if you can expose the clock
functionality through a class method on PersonalDataManagerTest.

[sebsg, 2017/01/25 21:35:27]

It was much easier that I thought, thanks for the suggestion.

+                           AddCreditCard_BasicInformation);
+  FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,
+                           AddProfile_BasicInformation);
+  FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest, ApplyProfileUseDatesFix);
+  FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest, DontDuplicateServerProfile);
+  FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest, MergeProfile_UsageStats);
+  FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest, RecordUseOf);
+  FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,
+                           UpdateServerCreditCardUsageStats);
+  static void SetClockForTests(base::Clock* clock);
+
+  std::unique_ptr<base::Clock> clock_;
+};
+
+}  // namespace autofill
+
+#endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_CLOCK_H_