统一变量名；统一几个独立的onMessage Listener；popup.js中js代码优化

packages/shell-chrome/assets/js/remove-google-ads/background_preventAdsScript.js

@@ -1,8 +1,15 @@
+var AdsBlockStatus = true;
 // refer: https://www.it1352.com/1996113.html
 chrome.webRequest.onBeforeRequest.addListener(
   function (details) {
+    console.log("AdsBlock Status: ", AdsBlockStatus);
+
+    if (!AdsBlockStatus)
+      return { cancel: false }; // 如果没有开启此功能，不处理
+
     if (!details || !details.initiator || !details.url)
       return { cancel: false }; // 如果没有请求信息，则可能是chrome://开头的页面，不处理
+
     let isBlock = false
       || details.initiator === "https://googleads.g.doubleclick.net"
       || details.initiator.indexOf("googleads.g.doubleclick.net") != -1
@@ -13,10 +20,22 @@ chrome.webRequest.onBeforeRequest.addListener(
       || details.url.indexOf("adservice.google.com") != -1
       || details.url.indexOf("googleads") != -1
       || details.url.indexOf("adsbygoogle") != -1
+
     if (isBlock) // 拦截后打印到控制台显示
       console.log(isBlock ? "block" : "allow", details)
+
     return { cancel: isBlock };
   },
   { urls: ["<all_urls>"] },
   ["blocking"]
 );
+
+// 由于上方拦截函数不可以是异步函数，所以设置变更后需要及时调用此函数
+var updateAdsBlockStatus = (status) => {
+  AdsBlockStatus = !!status;
+}
+
+// 插件刚开始加载时，先读取一次状态
+chrome.storage.sync.get('State_AdsBlock', function (State) {
+  updateAdsBlockStatus(State.State_AdsBlock);
+});