Replace some "promise_rejects(t, 'SomeDOMError', stuff)" calls with promise_rejects_dom. This diff was generated by running: find . -type f -print0 | xargs -0 perl -pi -e "BEGIN { \$/ = undef; } s/promise_rejects\(([ \n]*[a-zA-Z_]+[ \n]*,[ \n]*)([\"'][A-Za-z_]*[\"']) *(, *.)/promise_rejects_dom(\1\2\3/gs" in bash (doesn't work in tcsh, due to the $ inside ""). 
diff --git a/webrtc/RTCRtpParameters-encodings.html b/webrtc/RTCRtpParameters-encodings.html index f08f9d4..2f94186 100644 --- a/webrtc/RTCRtpParameters-encodings.html +++ b/webrtc/RTCRtpParameters-encodings.html 
@@ -177,7 +177,7 @@  encodings.push({});  assert_equals(param.encodings.length, 2);   - return promise_rejects(t, 'InvalidModificationError', + return promise_rejects_dom(t, 'InvalidModificationError',  sender.setParameters(param));  }, `sender.setParameters() with mismatch number of encodings should reject with InvalidModificationError`);   @@ -211,7 +211,7 @@  assert_equals(encoding.rid, 'foo');    encoding.rid = 'bar'; - return promise_rejects(t, 'InvalidModificationError', + return promise_rejects_dom(t, 'InvalidModificationError',  sender.setParameters(param));  }, `setParameters() with modified encoding.rid field should reject with InvalidModificationError`);