WebView: add IntDef for SafeBrowsingThreat

package android.webkit;

import android.annotation.IntDef;

import android.graphics.Bitmap;

import android.net.http.SslError;

import android.os.Message;

import android.view.KeyEvent;

import android.view.ViewRootImpl;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

public class WebViewClient {

    /**

    /** Resource load was cancelled by Safe Browsing */

    public static final int ERROR_UNSAFE_RESOURCE = -16;

    /** @hide */

    @IntDef({

        SAFE_BROWSING_THREAT_UNKNOWN,

        SAFE_BROWSING_THREAT_MALWARE,

        SAFE_BROWSING_THREAT_PHISHING,

        SAFE_BROWSING_THREAT_UNWANTED_SOFTWARE

    })

    @Retention(RetentionPolicy.SOURCE)

    public @interface SafeBrowsingThreat {}

    /** The resource was blocked for an unknown reason */

    public static final int SAFE_BROWSING_THREAT_UNKNOWN = 0;

    /** The resource was blocked because it contains malware */

     *                   SAFE_BROWSING_THREAT_* value.

     * @param callback Applications must invoke one of the callback methods.

     */

    public void onSafeBrowsingHit(WebView view, WebResourceRequest request, int threatType,

            SafeBrowsingResponse callback) {

    public void onSafeBrowsingHit(WebView view, WebResourceRequest request,

            @SafeBrowsingThreat int threatType, SafeBrowsingResponse callback) {

        callback.showInterstitial(/* allowReporting */ true);

    }

}