[Android] Make it possible to show Infobar in native pages (Second Try)

ui/android/java/src/org/chromium/ui/UiUtils.java

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.ui;
 
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Rect;
@@ skipping 315 matching lines @@
      *
      * @param context The application context.
      * @param file image capture file.
      * @return URI for |file|.
      */
     public static Uri getUriForImageCaptureFile(Context context, File file) {
         return Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2
                 ? ContentUriUtils.getContentUriFromFile(context, file)
                 : Uri.fromFile(file);
     }
+
+    /**
+     * Removes the view from its parent {@link ViewGroup}. No-op if the {@link View} is not yet
+     * attached to the view hierarchy.
+     *
+     * @param view The view to be removed from the parent.
+     */
+    public static void removeViewFromParent(View view) {
+        ViewGroup parent = (ViewGroup) view.getParent();
+        if (parent == null) return;
+        parent.removeView(view);
+    }
 }