Fix issues identified in GoogleChrome#1718 review

Author: dotproto

functional-samples/sample.text-replacer/background.js

@@ -35,7 +35,8 @@ chrome.contextMenus.onClicked.addListener((info, tab) => {
 chrome.runtime.onMessage.addListener((message, ) => {
   switch (message.id) {
     case GET_REPLACEMENTS_MESSAGE_ID:
-      return chrome.storage.sync.get(['patterns']);
+      // Fall back to an empty array 'patterns' is not set
+      return chrome.storage.sync.get({patterns: []});
 
     case SET_REPLACEMENTS_MESSAGE_ID:
       return chrome.storage.sync.set({'patterns': message.data});

functional-samples/sample.text-replacer/manifest.json

@@ -2,7 +2,7 @@
   "name": "Text Replacer",
   "version": "1.0.0",
   "manifest_version": 3,
-  "description": "Replace any a line of text on a page with another line of text.",
+  "description": "Replace any line of text on a page with another line of text.",
   "icons": {
     "32": "icons/icon32.png",
     "48": "icons/icon48.png",