[cssom-view] Make scrollIntoView do something in non-visual media. https://www.w3.org/Bugs/Public/show_bug.cgi?id=10533

Author: Simon Pieters

cssom-view/Overview.src.html

@@ -833,8 +833,8 @@ <h2>Extensions to the <code title>Element</code> Interface</h2>
 <div class='example'>
  <p>The following snippet gets the dimensions of the first
  <code title>div</code> element in a document:</p>
- <pre>var example = document.getElementsByTagName(&quot;div&quot;)[0].getBoundingClientRect();&#xA;
-var exampleWidth = example.width;&#xA;
+ <pre>var example = document.getElementsByTagName("div")[0].getBoundingClientRect();
+var exampleWidth = example.width;
 var exampleHeight = example.height;</pre>
 </div>
 
@@ -844,6 +844,7 @@ <h2>Extensions to the <code title>Element</code> Interface</h2>
  <li><p><span title='scroll an element into view'>Scroll the element into view</span> with the
  <i>align to top flag</i> set if <var>top</var> is true, and the scroll behavior being the value of the <code title>behavior</code>
  dictionary member of <var>options</var>.</p></li>
+ <li><p>Optionally perform some other action that brings the element to the user's attention.
 </ol>
 
 <p>The <dfn title=dom-Element-scrollTop><code>scrollTop</code></dfn> attribute must return the result of running these steps:</p>