Revert of ❄ Split off RadioButtonLayout from InfoBarControls

chrome/android/java/src/org/chromium/chrome/browser/widget/RadioButtonLayout.java

Index: chrome/android/java/src/org/chromium/chrome/browser/widget/RadioButtonLayout.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/widget/RadioButtonLayout.java b/chrome/android/java/src/org/chromium/chrome/browser/widget/RadioButtonLayout.java
deleted file mode 100644
index ea1d693fea23a0d91a7dc3ee995e5089176b1d53..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/widget/RadioButtonLayout.java
+++ /dev/null
@@ -1,90 +0,0 @@
-// Copyright 2017 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.chrome.browser.widget;
-
-import android.content.Context;
-import android.support.annotation.Nullable;
-import android.util.AttributeSet;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.widget.RadioButton;
-import android.widget.RadioGroup;
-
-import org.chromium.chrome.R;
-
-import java.util.List;
-
-/**
- * Manages a group of exclusive RadioButtons, automatically inserting a margin in between the rows
- * to prevent them from squishing together.
- *
- * -------------------------------------------------
- * | O | MESSAGE #1                                |
- * | O | MESSAGE #N                                |
- * -------------------------------------------------
- */
-public final class RadioButtonLayout extends RadioGroup {
-    public static final int INVALID_INDEX = -1;
-
-    private final int mMarginBetweenRows;
-
-    public RadioButtonLayout(Context context) {
-        this(context, null);
-    }
-
-    public RadioButtonLayout(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        mMarginBetweenRows = context.getResources().getDimensionPixelSize(
-                R.dimen.infobar_control_margin_between_rows);
-    }
-
-    /**
-     * Adds a set of standard radio buttons for the given messages and adds them to the layout.
-     *
-     * @param messages      Messages to display for the options.
-     * @param tags          Optional list of tags to attach to the buttons.
-     */
-    public void addOptions(List<CharSequence> messages, @Nullable List<?> tags) {
-        if (tags != null) assert tags.size() == messages.size();
-
-        for (int i = 0; i < messages.size(); i++) {
-            RadioButton button = (RadioButton) LayoutInflater.from(getContext())
-                                         .inflate(R.layout.radio_button_layout_element, null);
-            button.setText(messages.get(i));
-            if (tags != null) button.setTag(tags.get(i));
-
-            addView(button, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
-        }
-
-        updateMargins();
-    }
-
-    /**
-     * Marks a RadioButton child as being checked.
-     *
-     * Android doesn't provide a way of generating View IDs on the fly before API level 17, so this
-     * function requires passing in the child's index.  Passing in {@link #INVALID_INDEX} marks them
-     * all as de-selected.
-     *
-     * @param childIndex Index of the child to select.
-     */
-    public void selectChildAtIndex(int childIndex) {
-        int childCount = getChildCount();
-        for (int i = 0; i < childCount; i++) {
-            RadioButton child = (RadioButton) getChildAt(i);
-            child.setChecked(i == childIndex);
-        }
-    }
-
-    /** Sets margins between each of the radio buttons. */
-    private void updateMargins() {
-        int childCount = getChildCount();
-        for (int i = 0; i < childCount; i++) {
-            View child = getChildAt(i);
-            int margin = (i < childCount - 1) ? mMarginBetweenRows : 0;
-            ((MarginLayoutParams) child.getLayoutParams()).bottomMargin = margin;
-        }
-    }
-}