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

base/test/mock_time_provider.cc

+// 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.
+
+#include "base/logging.h"
+#include "base/test/mock_time_provider.h"
+
+using ::testing::DefaultValue;
+
+namespace base {
+
+MockTimeProvider* MockTimeProvider::instance_ = NULL;
+
+MockTimeProvider::MockTimeProvider() {
+  DCHECK(!instance_) << "Only one instance of MockTimeProvider can exist";
+  DCHECK(!DefaultValue<Time>::IsSet());
+  instance_ = this;
+  DefaultValue<Time>::Set(Time::FromInternalValue(0));
+}
+
+MockTimeProvider::~MockTimeProvider() {
+  instance_ = NULL;
+  DefaultValue<Time>::Clear();
+}
+
+// static
+Time MockTimeProvider::StaticNow() {
+  return instance_->Now();
+}
+
+}  // namespace base