Merge "Updated from comments to previous change after submitting"

            mBaseDir = new File(context.getCacheDir(), "webviewCacheChromiumStaging");

            if (!mBaseDir.exists()) {

                mBaseDir.mkdirs();

            } else {

                // TODO: Should we clear out old files?

            }

            return;

        }

     * @return Whether the removal succeeded.

     */

    static boolean removeAllCacheFiles() {

        assert !JniUtil.useChromiumHttpStack();

        // Note, this is called before init() when the database is

        // created or upgraded.

        if (mBaseDir == null) {

            // This method should not be called before init() when using the

            // chrome http stack

            assert !JniUtil.useChromiumHttpStack();

            // Init() has not been called yet, so just flag that

            // we need to clear the cache when init() is called.

            mClearCacheOnInit = true;