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_always_fail_time_source.cc b/components/scheduler/base/test_count_uses_time_source.cc
similarity index 51%
rename from components/scheduler/base/test_always_fail_time_source.cc
rename to components/scheduler/base/test_count_uses_time_source.cc
index 254298453f9d51f22d7179d83276e13cfb3b0b41..58602c60063d9914aaaa6068701296659ce9f614 100644
--- a/components/scheduler/base/test_always_fail_time_source.cc
+++ b/components/scheduler/base/test_count_uses_time_source.cc
@@ -2,19 +2,18 @@
 // 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_always_fail_time_source.h"
+#include "components/scheduler/base/test_count_uses_time_source.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace scheduler {
 
-TestAlwaysFailTimeSource::TestAlwaysFailTimeSource() {
-}
+TestCountUsesTimeSource::TestCountUsesTimeSource() : now_calls_count_(0) {}
 
-TestAlwaysFailTimeSource::~TestAlwaysFailTimeSource() {
+TestCountUsesTimeSource::~TestCountUsesTimeSource() {
 }
 
-base::TimeTicks TestAlwaysFailTimeSource::NowTicks() {
-  ADD_FAILURE() << "NowTicks() was called!";
+base::TimeTicks TestCountUsesTimeSource::NowTicks() {
+  now_calls_count_++;
   return base::TimeTicks();
 }