[Cast] Repair receiver playout time calculations and frame skip logic.

media/cast/video_sender/video_sender_unittest.cc

 // Copyright 2013 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 <stdint.h>
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "media/base/video_frame.h"
 #include "media/cast/cast_environment.h"
 #include "media/cast/logging/simple_event_subscriber.h"
 #include "media/cast/test/fake_single_thread_task_runner.h"
 #include "media/cast/test/fake_video_encode_accelerator.h"
 #include "media/cast/test/utility/default_config.h"
 #include "media/cast/test/utility/video_utility.h"
 #include "media/cast/transport/cast_transport_config.h"
 #include "media/cast/transport/cast_transport_sender_impl.h"
 #include "media/cast/transport/pacing/paced_sender.h"
 #include "media/cast/video_sender/video_sender.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace media {
 namespace cast {
 
 namespace {
-static const int64 kStartMillisecond = INT64_C(12345678900000);
 static const uint8 kPixelValue = 123;
 static const int kWidth = 320;
 static const int kHeight = 240;
 
 using testing::_;
 using testing::AtLeast;
 
 void CreateVideoEncodeAccelerator(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
     scoped_ptr<VideoEncodeAccelerator> fake_vea,
@@ skipping 59 matching lines @@
                     cast_initialization_cb,
                     transport_sender) {}
   using VideoSender::OnReceivedCastFeedback;
 };
 }  // namespace
 
 class VideoSenderTest : public ::testing::Test {
  protected:
   VideoSenderTest() {
     testing_clock_ = new base::SimpleTestTickClock();
-    testing_clock_->Advance(
-        base::TimeDelta::FromMilliseconds(kStartMillisecond));
+    testing_clock_->Advance(base::TimeTicks::Now() - base::TimeTicks());
     task_runner_ = new test::FakeSingleThreadTaskRunner(testing_clock_);
     cast_environment_ =
         new CastEnvironment(scoped_ptr<base::TickClock>(testing_clock_).Pass(),
                             task_runner_,
                             task_runner_,
                             task_runner_);
     net::IPEndPoint dummy_endpoint;
     transport_sender_.reset(new transport::CastTransportSenderImpl(
         NULL,
         testing_clock_,
@@ skipping 242 matching lines @@
   // Empty the pipeline.
   RunTasks(100);
   // Should have sent at least 7 packets.
   EXPECT_LE(
       7,
       transport_.number_of_rtp_packets() + transport_.number_of_rtcp_packets());
 }
 
 }  // namespace cast
 }  // namespace media