Provision to start base::SimpleTestTickClock at initial ticks

media/cast/logging/receiver_time_offset_estimator_impl_unittest.cc

 // Copyright 2014 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 "media/cast/logging/receiver_time_offset_estimator_impl.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "base/time/tick_clock.h"
 #include "media/cast/cast_environment.h"
 #include "media/cast/logging/logging_defines.h"
 #include "media/cast/test/fake_single_thread_task_runner.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace media {
 namespace cast {
 
 class ReceiverTimeOffsetEstimatorImplTest : public ::testing::Test {
  protected:
   ReceiverTimeOffsetEstimatorImplTest()
-      : sender_clock_(new base::SimpleTestTickClock()),
+      : sender_clock_(new base::SimpleTestTickClock(base::TimeTicks())),
         task_runner_(new test::FakeSingleThreadTaskRunner(sender_clock_)),
         cast_environment_(
             new CastEnvironment(scoped_ptr<base::TickClock>(sender_clock_),
                                 task_runner_,
                                 task_runner_,
-                                task_runner_)) {
+                                task_runner_)),
+        receiver_clock_(base::TimeTicks()) {
     cast_environment_->logger()->Subscribe(&estimator_);
   }
 
   ~ReceiverTimeOffsetEstimatorImplTest() override {
     cast_environment_->logger()->Unsubscribe(&estimator_);
   }
 
   void AdvanceClocks(base::TimeDelta time) {
     task_runner_->Sleep(time);
     receiver_clock_.Advance(time);
@@ skipping 352 matching lines @@
   int64_t lower_bound_ms = lower_bound.InMilliseconds();
   int64_t upper_bound_ms = upper_bound.InMilliseconds();
   EXPECT_GT(lower_bound_ms, 90);
   EXPECT_LE(lower_bound_ms, true_offset_ms);
   EXPECT_LT(upper_bound_ms, 150);
   EXPECT_GT(upper_bound_ms, true_offset_ms);
 }
 
 }  // namespace cast
 }  // namespace media