To M45: MSE: Provide link in media-internals to known bug 229412 until it is fixed

media/filters/source_buffer_stream.cc

Index: media/filters/source_buffer_stream.cc
diff --git a/media/filters/source_buffer_stream.cc b/media/filters/source_buffer_stream.cc
index ab6b4eea38f3940a302ee1ba8a746d421ed76984..e812023ad257ed2d0d12a5ae476c18366723f842 100644
--- a/media/filters/source_buffer_stream.cc
+++ b/media/filters/source_buffer_stream.cc
@@ -223,7 +223,10 @@ bool SourceBufferStream::Append(const BufferQueue& buffers) {
   // New media segments must begin with a keyframe.
   // TODO(wolenetz): Relax this requirement. See http://crbug.com/229412.
   if (new_media_segment_ && !buffers.front()->is_key_frame()) {
-    MEDIA_LOG(ERROR, log_cb_) << "Media segment did not begin with key frame.";
+    MEDIA_LOG(ERROR, log_cb_) << "Media segment did not begin with key "
+                                 "frame. Support for such segments will be "
+                                 "available in a future version. Please see "
+                                 "https://crbug.com/229412.";
     return false;
   }