author Andreas Pehrson <>
Fri, 21 Dec 2018 20:03:42 +0000
changeset 508857 6781e633d62cc42d12bd9911c8cb22430d60f0e2
parent 253280 53f5af7b9bf0c3ef628cbff92e8a6d052f89d1bc
permissions -rw-r--r--
Bug 1513973 - Make MediaEngineSource::SetTrack return void. r=jib All subclasses are now returning NS_OK, so there's no point in keeping nsresult as the return type. Differential Revision:

<!DOCTYPE html>
     Any copyright is dedicated to the Public Domain.
    <meta charset="utf-8">
    <style type="text/css">
      .crop {
        /* Wrapper-div to simulate the cropping that happens in
           the testcase. (In the testcase, "object-position" pushes
           the image's destination rect off towards the bottom-right,
           and crops it to the content-box.) */
        height: 32px;
        width: 32px;
        overflow: hidden;
        margin-bottom: 2px;
      .test {
        background: salmon;
        padding-top: 5px;
        padding-left: 5px;
        display: block;
    <div class="crop">
      <img    class="test"    src="blue-32x32.png">
    <div class="crop">
      <embed  class="test"    src="blue-32x32.png">
    <div class="crop">
      <object class="test"   data="blue-32x32.png"></object>
    <div class="crop">
      <video  class="test" poster="blue-32x32.png"></video>