[Android] Make it possible to show Infobar in native pages

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

Index: ui/android/java/src/org/chromium/ui/UiUtils.java
diff --git a/ui/android/java/src/org/chromium/ui/UiUtils.java b/ui/android/java/src/org/chromium/ui/UiUtils.java
index b81b994c9941fdfd4fb1bdf5d6bb91d59574cf1e..4522ec45677710936c72f75d01c1bc13776c7cff 100644
--- a/ui/android/java/src/org/chromium/ui/UiUtils.java
+++ b/ui/android/java/src/org/chromium/ui/UiUtils.java
@@ -333,4 +333,16 @@ public class UiUtils {
                 ? 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);
+    }
 }