Replaced TestNowSource with SimpleTestTickClock.

components/scheduler/test/test_always_fail_time_source.cc

Index: components/scheduler/test/test_always_fail_time_source.cc
diff --git a/components/scheduler/test/test_always_fail_time_source.cc b/components/scheduler/test/test_always_fail_time_source.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c5860109e8ea53fd20049f4bda7cc8893024869b
--- /dev/null
+++ b/components/scheduler/test/test_always_fail_time_source.cc
@@ -0,0 +1,21 @@
+// Copyright 2015 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 "components/scheduler/test/test_always_fail_time_source.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace scheduler {
+
+TestAlwaysFailTimeSource::TestAlwaysFailTimeSource() {
+}
+
+TestAlwaysFailTimeSource::~TestAlwaysFailTimeSource() {
+}
+
+base::TimeTicks TestAlwaysFailTimeSource::NowTicks() {
+  ADD_FAILURE() << "NowTicks() was called!";
+  return base::TimeTicks();
+}
+
+}  // namespace scheduler