Convert media constants to constexpr.

media/formats/webm/webm_tracks_parser_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/formats/webm/webm_tracks_parser.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 134 matching lines @@
   tb.AddAudioTrack(1, 1, "A_VORBIS", "audio", "", -1, 2, 8000);
   tb.AddVideoTrack(2, 2, "V_VP8", "video", "", -1, 320, 240);
   const std::vector<uint8_t> buf = tb.Finish();
 
   std::unique_ptr<WebMTracksParser> parser(
       new WebMTracksParser(media_log_, true));
   int result = parser->Parse(&buf[0], buf.size());
   EXPECT_LE(0, result);
   EXPECT_EQ(static_cast<int>(buf.size()), result);
 
-  EXPECT_EQ(kNoTimestamp(),
+  EXPECT_EQ(kNoTimestamp,
             parser->GetAudioDefaultDuration(kDefaultTimecodeScaleInUs));
-  EXPECT_EQ(kNoTimestamp(),
+  EXPECT_EQ(kNoTimestamp,
             parser->GetVideoDefaultDuration(kDefaultTimecodeScaleInUs));
 
   const VideoDecoderConfig& video_config = parser->video_decoder_config();
   EXPECT_TRUE(video_config.IsValidConfig());
   EXPECT_EQ(320, video_config.coded_size().width());
   EXPECT_EQ(240, video_config.coded_size().height());
 
   const AudioDecoderConfig& audio_config = parser->audio_decoder_config();
   EXPECT_TRUE(audio_config.IsValidConfig());
   EXPECT_EQ(CHANNEL_LAYOUT_STEREO, audio_config.channel_layout());
@@ skipping 11 matching lines @@
   std::unique_ptr<WebMTracksParser> parser(
       new WebMTracksParser(media_log_, true));
   int result = parser->Parse(&buf[0], buf.size());
   EXPECT_LE(0, result);
   EXPECT_EQ(static_cast<int>(buf.size()), result);
 
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(12000),
             parser->GetAudioDefaultDuration(kDefaultTimecodeScaleInUs));
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(985000),
             parser->GetVideoDefaultDuration(5000.0));  // 5 ms resolution
-  EXPECT_EQ(kNoTimestamp(), parser->GetAudioDefaultDuration(12346.0));
+  EXPECT_EQ(kNoTimestamp, parser->GetAudioDefaultDuration(12346.0));
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(12345),
             parser->GetAudioDefaultDuration(12345.0));
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(12003),
             parser->GetAudioDefaultDuration(1000.3));  // 1.0003 ms resolution
 }
 
 TEST_F(WebMTracksParserTest, InvalidZeroDefaultDurationSet) {
   // Confirm parse error if TrackEntry DefaultDuration is present, but is 0ns.
   TracksBuilder tb(true);
   tb.AddAudioTrack(1, 1, "A_VORBIS", "audio", "", 0, 2, 8000);
@@ skipping 13 matching lines @@
   TracksBuilder tb(true);
   tb.AddAudioTrack(1, 1ULL << 31, "A_VORBIS", "audio", "", 40, 2, 8000);
   const std::vector<uint8_t> buf = tb.Finish();
 
   std::unique_ptr<WebMTracksParser> parser(
       new WebMTracksParser(media_log_, true));
   EXPECT_GT(parser->Parse(&buf[0], buf.size()),0);
 }
 
 }  // namespace media