fix canplaythrough

media/base/media_switches.cc

Index: media/base/media_switches.cc
diff --git a/media/base/media_switches.cc b/media/base/media_switches.cc
index 6911c914e712f6df8bfe7e79bdbd55ea3c9c554a..b6de64a285451dbb1d39eb7584665a534616af51 100644
--- a/media/base/media_switches.cc
+++ b/media/base/media_switches.cc
@@ -200,6 +200,10 @@ const base::Feature kMemoryPressureBasedSourceBufferGC{
 const base::Feature kNewRemotePlaybackPipeline{
     "NewRemotePlaybackPipeline", base::FEATURE_DISABLED_BY_DEFAULT};
 
+// CanPlayThrough issued according to standard.
+const base::Feature kSpecCompliantCanPlayThrough{
+    "CanPlayThrough", base::FEATURE_DISABLED_BY_DEFAULT};
+
 // Use shared block-based buffering for media.
 const base::Feature kUseNewMediaCache{"use-new-media-cache",
                                       base::FEATURE_ENABLED_BY_DEFAULT};