Revert "Javacrash java.lang.NullPointerException in com.android.browser."

This reverts commit 3da3594f5beeaf0c68210ee88f9efeaa2570ff29.
Revert "[HTML5] Implementation of WebSockets (framework)."

This reverts commit 9ba33f3b063b5b9cfd5d3486af78239ae30ed196.