DO NO SUMMIT: bluetooth: Use a LevelListDrawable instead of an array of drawables

chrome/android/java/src/org/chromium/chrome/browser/ItemChooserDialog.java

 // Copyright 2015 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;
 
 import android.app.Activity;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.DialogInterface;
@@ skipping 52 matching lines @@
     }
 
     /**
      * A class representing one data row in the picker.
      */
     public static class ItemChooserRow {
         private final String mKey;
         private String mDescription;
         private Drawable mIcon;
         private String mIconDescription;
+        private int mIconLevel;
 
         public ItemChooserRow(String key, String description, @Nullable Drawable icon,
                 @Nullable String iconDescription) {
             mKey = key;
             mDescription = description;
             mIcon = icon;
             mIconDescription = iconDescription;
+            mIconLevel = icon.getLevel();
         }
 
         /**
          * Returns true if all parameters match the corresponding member.
          *
          * @param key Expected item unique identifier.
          * @param description Expected item description.
          * @param icon Expected item icon.
          */
         public boolean hasSameContents(String key, String description, @Nullable Drawable icon,
@@ skipping 258 matching lines @@
             // If there is at least one item with an icon then we set mImageView's
             // visibility to INVISIBLE for all items with no icons. We do this
             // so that all items' desriptions are aligned.
             if (!mHasIcon) {
                 row.mImageView.setVisibility(View.GONE);
             } else {
                 ItemChooserRow item = getItem(position);
                 if (item.mIcon != null) {
                     row.mImageView.setContentDescription(item.mIconDescription);
                     row.mImageView.setImageDrawable(item.mIcon);
+                    row.mImageView.setImageLevel(item.mIconLevel);
                     row.mImageView.setVisibility(View.VISIBLE);
                 } else {
                     row.mImageView.setVisibility(View.INVISIBLE);
                     row.mImageView.setImageDrawable(null);
                     row.mImageView.setContentDescription(null);
                 }
                 row.mImageView.setSelected(position == mSelectedItem);
             }
             return convertView;
         }
@@ skipping 313 matching lines @@
     }
 
     /**
      * Returns the ItemAdapter associated with this class. For use with tests only.
      */
     @VisibleForTesting
     public ItemAdapter getItemAdapterForTesting() {
         return mItemAdapter;
     }
 }