| Index: third_party/WebKit/Source/core/html/track/AutomaticTrackSelection.cpp | 
| diff --git a/third_party/WebKit/Source/core/html/track/AutomaticTrackSelection.cpp b/third_party/WebKit/Source/core/html/track/AutomaticTrackSelection.cpp | 
| index 4026fdb757964095844978a582ec141c339e44b0..15a7acff62ee757c721dc4c491b8281f06593345 100644 | 
| --- a/third_party/WebKit/Source/core/html/track/AutomaticTrackSelection.cpp | 
| +++ b/third_party/WebKit/Source/core/html/track/AutomaticTrackSelection.cpp | 
| @@ -72,7 +72,7 @@ const AtomicString& AutomaticTrackSelection::preferredTrackKind() const | 
|  | 
| void AutomaticTrackSelection::performAutomaticTextTrackSelection(const TrackGroup& group) | 
| { | 
| -    ASSERT(group.tracks.size()); | 
| +    DCHECK(group.tracks.size()); | 
|  | 
| // First, find the track in the group that should be enabled (if any). | 
| HeapVector<Member<TextTrack>> currentlyEnabledTracks; | 
| @@ -142,7 +142,7 @@ void AutomaticTrackSelection::performAutomaticTextTrackSelection(const TrackGrou | 
|  | 
| void AutomaticTrackSelection::enableDefaultMetadataTextTracks(const TrackGroup& group) | 
| { | 
| -    ASSERT(group.tracks.size()); | 
| +    DCHECK(group.tracks.size()); | 
|  | 
| // https://html.spec.whatwg.org/multipage/embedded-content.html#honor-user-preferences-for-automatic-text-track-selection | 
|  | 
| @@ -180,7 +180,7 @@ void AutomaticTrackSelection::perform(TextTrackList& textTracks) | 
| } else if (kind == TextTrack::chaptersKeyword()) { | 
| currentGroup = &chapterTracks; | 
| } else { | 
| -            ASSERT(kind == TextTrack::metadataKeyword()); | 
| +            DCHECK_EQ(kind, TextTrack::metadataKeyword()); | 
| currentGroup = &metadataTracks; | 
| } | 
|  | 
|  |