Revert of Relanding 'Always notify the MediaPlayer of any seek' patch

LayoutTests/media/controls-timeline-with-controller.html

Index: LayoutTests/media/controls-timeline-with-controller.html
diff --git a/LayoutTests/media/controls-timeline-with-controller.html b/LayoutTests/media/controls-timeline-with-controller.html
index 8bc4eff094cf5e63d1a4a95f6347a2191434878d..c861001de83a735c29cc96f812ad2da08598e51d 100644
--- a/LayoutTests/media/controls-timeline-with-controller.html
+++ b/LayoutTests/media/controls-timeline-with-controller.html
@@ -16,12 +16,6 @@
             {
                 testExpected("video.controller.currentTime", 0);
                 testExpected("video.currentTime", 0);
-                // Wait for the seek initiated by the "bringing up to speed"
-                // step to complete.
-                waitForEventOnce('seeked', seeked);
-            });
-
-            var seeked = function() {
                 testExpected("video.seeking", false);
 
                 // click the middle of the timeline
@@ -37,7 +31,7 @@
                 testExpected("video.seeking", true);
 
                 endTest();
-            }
+            });
         </script>
     </body>
 </html>