Bug 869634 - Update default favicon style. r=bnicholson

mobile/android/base/widget/FaviconView.java

@@ -34,16 +34,16 @@ public class FaviconView extends ImageView {
      */
     public void updateImage(Bitmap bitmap, String key) {
         if (bitmap == null) {
-            // Call setImageDrawable directly to avoid creating a useless BitmapDrawable.
-            setImageDrawable(null);
-            // If the bitmap is null, show a blank background.
-            setBackgroundResource(R.drawable.favicon_bg);
+            // If the bitmap is null, show the default favicon.
+            setImageResource(R.drawable.favicon);
+            // The default favicon image is hi-res, so we should hide the background.
+            setBackgroundResource(0);
         } else if (Favicons.getInstance().isLargeFavicon(bitmap)) {
-            super.setImageBitmap(bitmap);
+            setImageBitmap(bitmap);
             // If the icon is large, hide the background.
             setBackgroundResource(0);
         } else {
-            super.setImageBitmap(bitmap);
+            setImageBitmap(bitmap);
             // Otherwise show a dominant color background.
             int color = Favicons.getInstance().getFaviconColor(bitmap, key);
             color = Color.argb(70, Color.red(color), Color.green(color), Color.blue(color));