Added MediaSourceState unit test.

media/filters/chunk_demuxer_unittest.cc

Index: media/filters/chunk_demuxer_unittest.cc
diff --git a/media/filters/chunk_demuxer_unittest.cc b/media/filters/chunk_demuxer_unittest.cc
index b3310c2948801c200ea2e18ed3c4e1801360e36e..a2250dcc8f48253eb060906eb78b49904d9501f1 100644
--- a/media/filters/chunk_demuxer_unittest.cc
+++ b/media/filters/chunk_demuxer_unittest.cc
@@ -118,94 +118,6 @@ static void WriteInt64(uint8_t* buffer, int64_t number) {
   }
 }
 
-MATCHER_P(HasTimestamp, timestamp_in_ms, "") {

[servolk, 2016/09/21 15:36:49]

Moved to test_helpers.h

-  return arg.get() && !arg->end_of_stream() &&
-         arg->timestamp().InMilliseconds() == timestamp_in_ms;
-}
-
-MATCHER(IsEndOfStream, "") { return arg.get() && arg->end_of_stream(); }
-
-MATCHER_P(SegmentMissingFrames, track_id, "") {
-  return CONTAINS_STRING(
-      arg, "Media segment did not contain any coded frames for track " +
-               std::string(track_id));
-}
-
-MATCHER(StreamParsingFailed, "") {
-  return CONTAINS_STRING(arg, "Append: stream parsing failed.");
-}
-
-MATCHER_P(FoundStream, stream_type_string, "") {
-  return CONTAINS_STRING(
-             arg, "found_" + std::string(stream_type_string) + "_stream") &&
-         CONTAINS_STRING(arg, "true");
-}
-
-MATCHER_P2(CodecName, stream_type_string, codec_string, "") {
-  return CONTAINS_STRING(arg,
-                         std::string(stream_type_string) + "_codec_name") &&
-         CONTAINS_STRING(arg, std::string(codec_string));
-}
-
-MATCHER_P2(InitSegmentMismatchesMimeType, stream_type, codec_name, "") {
-  return CONTAINS_STRING(arg, std::string(stream_type) + " stream codec " +
-                                  std::string(codec_name) +
-                                  " doesn't match SourceBuffer codecs.");
-}
-
-MATCHER_P(InitSegmentMissesExpectedTrack, missing_codec, "") {
-  return CONTAINS_STRING(arg, "Initialization segment misses expected " +
-                                  std::string(missing_codec) + " track.");
-}
-
-MATCHER_P2(GeneratedSplice, duration_microseconds, time_microseconds, "") {
-  return CONTAINS_STRING(arg, "Generated splice of overlap duration " +
-                                  base::IntToString(duration_microseconds) +
-                                  "us into new buffer at " +
-                                  base::IntToString(time_microseconds) + "us.");
-}
-
-MATCHER_P2(SkippingSpliceAtOrBefore,
-           new_microseconds,
-           existing_microseconds,
-           "") {
-  return CONTAINS_STRING(
-      arg, "Skipping splice frame generation: first new buffer at " +
-               base::IntToString(new_microseconds) +
-               "us begins at or before existing buffer at " +
-               base::IntToString(existing_microseconds) + "us.");
-}
-
-MATCHER_P(SkippingSpliceAlreadySpliced, time_microseconds, "") {
-  return CONTAINS_STRING(
-      arg, "Skipping splice frame generation: overlapped buffers at " +
-               base::IntToString(time_microseconds) +
-               "us are in a previously buffered splice.");
-}
-
-MATCHER_P(WebMSimpleBlockDurationEstimated, estimated_duration_ms, "") {
-  return CONTAINS_STRING(arg, "Estimating WebM block duration to be " +
-                                  base::IntToString(estimated_duration_ms) +
-                                  "ms for the last (Simple)Block in the "
-                                  "Cluster for this Track. Use BlockGroups "
-                                  "with BlockDurations at the end of each "
-                                  "Track in a Cluster to avoid estimation.");
-}
-
-MATCHER_P(WebMNegativeTimecodeOffset, timecode_string, "") {
-  return CONTAINS_STRING(arg, "Got a block with negative timecode offset " +
-                                  std::string(timecode_string));
-}
-
-MATCHER(WebMOutOfOrderTimecode, "") {
-  return CONTAINS_STRING(
-      arg, "Got a block with a timecode before the previous block.");
-}
-
-MATCHER(WebMClusterBeforeFirstInfo, "") {
-  return CONTAINS_STRING(arg, "Found Cluster element before Info.");
-}
-
 static void OnReadDone(const base::TimeDelta& expected_time,
                        bool* called,
                        DemuxerStream::Status status,