Merge "Clear cookies and webview state for new purchase requests" into udc-qpr-dev

packages/CarrierDefaultApp/src/com/android/carrierdefaultapp/SlicePurchaseActivity.java

@@ -27,6 +27,7 @@ import android.telephony.TelephonyManager;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.KeyEvent;
+import android.webkit.CookieManager;
 import android.webkit.WebView;
 
 import com.android.phone.slice.SlicePurchaseController;
@@ -168,6 +169,12 @@ public class SlicePurchaseActivity extends Activity {
         // Create WebView
         mWebView = new WebView(this);
 
+        // Clear any cookies and state that might be saved from previous sessions
+        CookieManager.getInstance().removeAllCookies(null);
+        CookieManager.getInstance().flush();
+        mWebView.clearCache(true);
+        mWebView.clearHistory();
+
         // Enable JavaScript for the carrier purchase website to send results back to
         //  the slice purchase application.
         mWebView.getSettings().setJavaScriptEnabled(true);