Implement javascript close window method in the browser

app/src/main/java/acr/browser/lightning/activity/BrowserActivity.java

@@ -2368,6 +2368,15 @@ public abstract class BrowserActivity extends ThemableActivity implements Browse
         }
     }
 
+    /**
+     * Closes the specified view, implementing the JavaScript callback to close a window
+     * @param view the LightningView to close
+     */
+    @Override
+    public void onCloseWindow(LightningView view) {
+        deleteTab(mWebViewList.indexOf(view));
+    }
+
     /**
      * returns the Activity instance for this activity,
      * very helpful when creating things in other classes... I think

app/src/main/java/acr/browser/lightning/controller/BrowserController.java

@@ -12,6 +12,8 @@ import android.webkit.ValueCallback;
 import android.webkit.WebChromeClient.CustomViewCallback;
 import android.webkit.WebView;
 
+import acr.browser.lightning.view.LightningView;
+
 public interface BrowserController {
 
     void updateUrl(String title, boolean shortUrl);
@@ -36,6 +38,8 @@ public interface BrowserController {
 
     void onCreateWindow(Message resultMsg);
 
+    void onCloseWindow(LightningView view);
+
     Activity getActivity();
 
     void hideActionBar();

app/src/main/java/acr/browser/lightning/view/LightningView.java

@@ -998,8 +998,7 @@ public class LightningView {
 
         @Override
         public void onCloseWindow(WebView window) {
-            // TODO Auto-generated method stub
-            super.onCloseWindow(window);
+            mBrowserController.onCloseWindow(LightningView.this);
         }
 
         public void openFileChooser(ValueCallback<Uri> uploadMsg) {