Report expected task queueing time via UMA

components/scheduler/base/test_count_uses_time_source.cc

Index: components/scheduler/base/test_count_uses_time_source.cc
diff --git a/components/scheduler/base/test_count_uses_time_source.cc b/components/scheduler/base/test_count_uses_time_source.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4175d1aa25e1aea16e21984e6be372dcfeeeff88
--- /dev/null
+++ b/components/scheduler/base/test_count_uses_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/base/test_count_uses_time_source.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace scheduler {
+
+TestCountUsesTimeSource::TestCountUsesTimeSource() : now_calls_count_(0) {}
+
+TestCountUsesTimeSource::~TestCountUsesTimeSource() {
+}
+
+base::TimeTicks TestCountUsesTimeSource::NowTicks() {
+  now_calls_count_++;
+  // Don't return 0, as it triggers some assertions.
+  return base::TimeTicks() + base::TimeDelta::FromSeconds(1);
+}
+
+}  // namespace scheduler