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<!DOCTYPE html>
<html style="font-size: 16px">
<head>

<meta name="viewport" content="width=800">
<style>
  body {
    width: 800px;
    margin: 0;
    overflow-y: hidden;
  }
  .largersize{font-size: 1.1em}
</style>

<script>
if (window.internals) {
    window.internals.settings.setTextAutosizingEnabled(true);
    window.internals.settings.setTextAutosizingWindowSizeOverride(320, 480);
} else if (window.console && console.warn) {
    console.warn("This test depends on the Text Autosizing setting being true, so run it in DumpRenderTree, or manually enable Text Autosizing, and either use a mobile device with 320px device-width (like Nexus S or iPhone), or define HACK_FORCE_TEXT_AUTOSIZING_ON_DESKTOP.");
}
</script>

</head>
<body>

<div style="top: 50px; position: absolute; overflow: auto;">
    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .<br/>
    This paragraph should be autosized to 19.8px<br/>
    because it contains line breaks.<br/>
    This test is intended to check<br/>
    that there are no oscillations due to javascript<br/>
    briefly increasing the font size of a<br/>
    small paragraph below.
</div>
<div id="sizechanging">
    This text changes size using javascript below.
</div>

<script>
element = document.getElementById("sizechanging");
if (element.offsetHeight) {
    // force layout (computation of offsetHeight triggers reflow)
}
element.className = 'largersize';
if (element.offsetHeight) {}
element.className = '';
if (element.offsetHeight) {}
</script>
<noscript>fail (no support for javascript)</noscript>

</body>
</html>