Bug 1765024 - Low resolution icons in newtab. r=daleharvey

Differential Revision: https://phabricator.services.mozilla.com/D144434

browser/components/newtab/lib/FaviconFeed.jsm

@@ -38,15 +38,13 @@ const MIN_FAVICON_SIZE = 96;
  * @returns A promise of an object (possibly null) containing the data
  */
 function getFaviconInfo(uri) {
-  // Use 0 to get the biggest width available
-  const preferredWidth = 0;
   return new Promise(resolve =>
     PlacesUtils.favicons.getFaviconDataForPage(
       uri,
       // Package up the icon data in an object if we have it; otherwise null
       (iconUri, faviconLength, favicon, mimeType, faviconSize) =>
         resolve(iconUri ? { iconUri, faviconSize } : null),
-      preferredWidth
+      NewTabUtils.activityStreamProvider.THUMB_FAVICON_SIZE
     )
   );
 }

toolkit/modules/NewTabUtils.jsm

@@ -739,6 +739,8 @@ var PlacesProvider = {
  * history changes.
  */
 var ActivityStreamProvider = {
+  THUMB_FAVICON_SIZE: 96,
+
   /**
    * Shared adjustment for selecting potentially blocked links.
    */
@@ -877,7 +879,10 @@ var ActivityStreamProvider = {
     // Fetch the largest icon available.
     let faviconData;
     try {
-      faviconData = await PlacesUtils.promiseFaviconData(aUri, 0);
+      faviconData = await PlacesUtils.promiseFaviconData(
+        aUri,
+        this.THUMB_FAVICON_SIZE
+      );
       Object.assign(iconData, {
         favicon: faviconData.data,
         faviconLength: faviconData.dataLen,