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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Only show volume controls when audio tracks are found."
   href="https://bugs.webkit.org/show_bug.cgi?id=145453">145453</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Only show volume controls when audio tracks are found.
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>528+ (Nightly build)
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Media Elements
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>roger_fong&#64;apple.com
          </td>
        </tr></table>
      <p>
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        <pre>rdar://problem/21153927

Some of the layout tests test that a video with no audio track should have no volume control.
Right now our volume control starts off visible. 
It should only become visible was audio tracks have been found.

This must have regressed at some point seeing as we have a test for it. Maybe a line of code that was accidentally removed.</pre>
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