<!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true ] -->
<html>
  <head>
    <title>Change scrollability on content resize (nested)</title>
    <meta name="viewport" content="width=device-width">
    <style>
        #root {
            width: 300px;
            height: 200px;
            position: absolute;
        }
        #scroller {
            width: 100%;
            height: 100%;
            overflow-x: hidden;
            overflow-y: scroll;
            -webkit-overflow-scrolling: touch;
            position: relative;
        }
        #content {
            background-color: yellow;
        }
        #compositedDiv {
            position: absolute;
            top: 0;
            left: 0;
            width: 200px;
            height: 50px;
            background: lightblue;
            transform: translate3d(50px, 100px, 0px);
        }
    </style>
    <script>
      if (window.testRunner) {
          testRunner.dumpAsText();
          testRunner.waitUntilDone();
      }

      function doTest() {
          requestAnimationFrame(() => {
              document.getElementById('content').style.height = "400px";
              if (window.testRunner && window.internals) {
                  requestAnimationFrame(() => {
                      document.getElementById('layerTree').innerText = internals.layerTreeAsText(document,
                              internals.LAYER_TREE_INCLUDES_VISIBLE_RECTS | internals.LAYER_TREE_INCLUDES_TILE_CACHES) + "\n\n" +
                          internals.scrollingStateTreeAsText() + "\n";
                      testRunner.notifyDone();
                  });
              }
          });
      }
      window.addEventListener('load', doTest, false);
    </script>
  </head>
  <body>
    <div id="root">
      <div id="scroller">
        <div id="content">
          <div id="compositedDiv"></div>
        </div>
      </div>
    </div>
    <pre id="layerTree"></pre>
</body>
</html>