Merge change 25567 into eclair

    // Keep track of multiple progress updates.

    private boolean mProgressUpdatePending;

    // Keep track of the last progress amount.

    private volatile int mLatestProgress;

    // Start with 100 to indicate it is not in load for the empty page.

    private volatile int mLatestProgress = 100;

    // Back/Forward list

    private final WebBackForwardList mBackForwardList;

    // Used to call startActivity during url override.