Added last_modified field to TemplateURL and database. Updated unit tests, including refactoring ...

base/test/mock_time_provider.h

+// Copyright (c) 2011 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.
+
+// A helper class used to mock out calls to the static method base::Time::Now.
+//
+// Example usage:
+//
+// typedef base::Time(TimeProvider)();
+// class StopWatch {
+//  public:
+//   StopWatch(TimeProvider* time_provider);
+//   void Start();
+//   base::TimeDelta Stop();
+//  private:
+//   TimeProvider* time_provider_;
+//   ...
+// }
+//
+// Normally, you would instantiate a StopWatch with the real Now function:
+//
+// StopWatch watch(&base::Time::Now);
+//
+// But when testing, you want to instantiate it with
+// MockTimeProvider::StaticNow, which calls an internally mocked out member.
+// This allows you to set expectations on the Now method. For example:
+//
+// TEST_F(StopWatchTest, BasicTest) {
+//   InSequence s;
+//   StrictMock<MockTimeProvider> mock_time;
+//   EXPECT_CALL(mock_time, Now())
+//       .WillOnce(Return(Time::FromDoubleT(4)));
+//   EXPECT_CALL(mock_time, Now())
+//       .WillOnce(Return(Time::FromDoubleT(10)));
+//
+//   StopWatch sw(&MockTimeProvider::StaticNow);
+//   sw.Start();  // First call to Now.
+//   TimeDelta elapsed = sw.stop();  // Second call to Now.
+//   ASSERT_EQ(elapsed, TimeDelta::FromSeconds(6));
+// }
+
+#include "base/time.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+#ifndef BASE_TEST_MOCK_TIME_PROVIDER_H_
+#define BASE_TEST_MOCK_TIME_PROVIDER_H_
+
+namespace base {
+
+class MockTimeProvider {
+ public:
+  MockTimeProvider();
+  ~MockTimeProvider();
+
+  MOCK_METHOD0(Now, Time());
+
+  static Time StaticNow();
+
+ private:
+  static MockTimeProvider* instance_;
+  DISALLOW_COPY_AND_ASSIGN(MockTimeProvider);
+};
+
+}  // namespace base
+
+#endif  // BASE_TEST_MOCK_TIME_PROVIDER_H_