Don't invoke load algorithm when a media element is moved into a new document.

third_party/WebKit/LayoutTests/media/video-move-to-new-document.html

Index: third_party/WebKit/LayoutTests/media/video-move-to-new-document.html
diff --git a/third_party/WebKit/LayoutTests/media/video-move-to-new-document.html b/third_party/WebKit/LayoutTests/media/video-move-to-new-document.html
index 139f7013c9252e850ef323e272add1fb75f073e1..2a02318aeb0cf16db82b8f3c03cee83f74889707 100644
--- a/third_party/WebKit/LayoutTests/media/video-move-to-new-document.html
+++ b/third_party/WebKit/LayoutTests/media/video-move-to-new-document.html
@@ -3,32 +3,36 @@
 <script src="../resources/testharness.js"></script>
 <script src="../resources/testharnessreport.js"></script>
 <script src="media-file.js"></script>
-<video></video>
-<iframe></iframe>
+<div id=container>
+  <iframe></iframe>
+</div>
 <script>
-    async_test(function(t) {
-        var video = document.querySelector('video');
-        video.src = findMediaFile("video", "content/test");
-        video.onloadeddata = this.step_func(function() {
-            video.onloadeddata = null;
-            assert_true(video.networkState == video.NETWORK_IDLE || video.networkState == video.NETWORK_LOADING);
-            assert_greater_than(video.readyState, video.HAVE_METADATA);
-            // Move the video element to iframe document from
-            // main document and verify that it loads properly
-            document.querySelector('iframe').contentDocument.body.appendChild(video);
-            assert_equals(video.networkState, video.NETWORK_NO_SOURCE);
-            assert_equals(video.readyState, video.HAVE_NOTHING);
-            var actual_events = [];
-            var expected_events = ['emptied', 'loadstart', 'loadeddata'];
-            expected_events.forEach(function(type) {
-                video.addEventListener(type, t.step_func(function() {
-                    actual_events.push(type);
-                    if (type == 'loadeddata') {
-                        assert_array_equals(actual_events, expected_events);
-                        t.done();
-                    }
-                }));
-            });
-        });
-    });
+  function whenIframeLoaded(iframe, callback) {
+    if (iframe.contentDocument.readyState != 'uninitialized')
+      return callback();
+    iframe.onload = callback;
+  }
+
+  async_test(function(t) {
+    var iframe = document.querySelector('iframe');
+    whenIframeLoaded(iframe, this.step_func(function() {
+      var video = iframe.contentDocument.createElement('video');
+      iframe.contentDocument.body.appendChild(video);
+      video.src = findMediaFile('video', 'content/test');//'https://storage.googleapis.com/dalecurtis-shared/buck2.mp4';
+      video.preload = 'auto';
+
+      video.onloadeddata = this.step_func_done(function() {
+          video.onloadeddata = null;
+          assert_true(video.networkState == video.NETWORK_IDLE || video.networkState == video.NETWORK_LOADING);
+          assert_greater_than(video.readyState, video.HAVE_METADATA);
+
+          // Move the video element parent document. The state shouldn't change.
+          document.body.appendChild(video);
+          document.body.querySelector('#container').innerHTML = '';
+
+          assert_true(video.networkState == video.NETWORK_IDLE || video.networkState == video.NETWORK_LOADING);
+          assert_greater_than(video.readyState, video.HAVE_METADATA);
+      });
+    }));
+  });
 </script>