Mobile: Restore painted content for fullscreen video.

third_party/WebKit/Source/core/css/fullscreenAndroid.css

Index: third_party/WebKit/Source/core/css/fullscreenAndroid.css
diff --git a/third_party/WebKit/Source/core/css/fullscreenAndroid.css b/third_party/WebKit/Source/core/css/fullscreenAndroid.css
index 584e3335a5d6e794f43d70cd302c1829522cf5ee..2466f350551e94a3294fe6329ed2bcba715f21b4 100644
--- a/third_party/WebKit/Source/core/css/fullscreenAndroid.css
+++ b/third_party/WebKit/Source/core/css/fullscreenAndroid.css
@@ -1,9 +1,7 @@
 video:-webkit-full-screen {
-  /* Work around compositing restrictions for fullscreen video on Android. http://crbug.com/618753 */
-  /* Borders and background images appear on top of the video. */
-  border: none !important;
-  background-image: none !important;
-  /* These can result in multiple render passes, in which case the video does not appear. */
+  /* Fullscreen video on Android does not synchronize correctly when the <video>
+   * element is not rendered in the root render pass. Disable properties that
+   * cause this. (http://crbug.com/618753) */
   opacity: 1 !important;
   -webkit-filter: none !important;
   border-radius: 0 !important;