[Devtools] Persist network request blocking

third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008, 2009 Anthony Ricaud <rik@webkit.org>
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 1083 matching lines @@
     }
     copyMenu.appendItem(Common.UIString.capitalize('Copy ^all as HAR'), this._copyAll.bind(this));
 
     contextMenu.appendSeparator();
     contextMenu.appendItem(Common.UIString.capitalize('Save as HAR with ^content'), this._exportAll.bind(this));
 
     contextMenu.appendSeparator();
     contextMenu.appendItem(Common.UIString.capitalize('Clear ^browser ^cache'), this._clearBrowserCache.bind(this));
     contextMenu.appendItem(Common.UIString.capitalize('Clear ^browser ^cookies'), this._clearBrowserCookies.bind(this));
 
-    var blockedSetting = Common.moduleSetting('blockedURLs');
     if (request && Runtime.experiments.isEnabled('requestBlocking')) {  // Disabled until ready.
       contextMenu.appendSeparator();
 
+      var blockedSetting = Common.moduleSetting('networkBlockedURLs');
+      var blockedSettingData = blockedSetting.get();
+
+      const maxBlockedURLLength = 20;
       var urlWithoutScheme = request.parsedURL.urlWithoutScheme();
-      if (urlWithoutScheme && blockedSetting.get().indexOf(urlWithoutScheme) === -1) {
+      var blockedURLIndex = blockedSettingData.indexOf(urlWithoutScheme);
+      if (urlWithoutScheme && blockedURLIndex === -1) {
         contextMenu.appendItem(
             Common.UIString.capitalize('Block ^request URL'), addBlockedURL.bind(null, urlWithoutScheme));
+      } else if (urlWithoutScheme) {
+        const croppedURL = blockedSettingData[blockedURLIndex].trimMiddle(maxBlockedURLLength);
+        contextMenu.appendItem(
+            Common.UIString.capitalize('Unblock ' + croppedURL), removeBlockedURLIndex.bind(null, blockedURLIndex));
       }
 
       var domain = request.parsedURL.domain();
-      if (domain && blockedSetting.get().indexOf(domain) === -1)
+      var blockedDomainIndex = blockedSettingData.indexOf(domain);
+      if (domain && blockedDomainIndex === -1) {
         contextMenu.appendItem(Common.UIString.capitalize('Block ^request ^domain'), addBlockedURL.bind(null, domain));
+      } else if (domain) {
+        const croppedDomain = blockedSettingData[blockedDomainIndex].trimMiddle(maxBlockedURLLength);
+        contextMenu.appendItem(
+            Common.UIString.capitalize('Unblock ' + croppedDomain),
+            removeBlockedURLIndex.bind(null, blockedDomainIndex));
+      }
 
+      /**
+       * @param {string} url
+       */
       function addBlockedURL(url) {
-        var list = blockedSetting.get();
-        list.push(url);
-        blockedSetting.set(list);
+        blockedSettingData.push(url);
+        blockedSetting.set(blockedSettingData);
+        UI.viewManager.showView('network.blocked-urls');
+      }
+
+      /**
+       * @param {number} index
+       */
+      function removeBlockedURLIndex(index) {
+        blockedSettingData.splice(index, 1);
+        blockedSetting.set(blockedSettingData);
         UI.viewManager.showView('network.blocked-urls');
         SDK.multitargetNetworkManager.setRequestBlockingEnabled(true);
       }
     }
 
     if (request && request.resourceType() === Common.resourceTypes.XHR) {
       contextMenu.appendSeparator();
       contextMenu.appendItem(Common.UIString('Replay XHR'), request.replayXHR.bind(request));
       contextMenu.appendSeparator();
     }
@@ skipping 618 matching lines @@
   Running: 'running',
   FromCache: 'from-cache'
 };
 
 /** @type {!Array<string>} */
 Network.NetworkLogView._searchKeys =
     Object.keys(Network.NetworkLogView.FilterType).map(key => Network.NetworkLogView.FilterType[key]);
 
 /** @typedef {function(!SDK.NetworkRequest): boolean} */
 Network.NetworkLogView.Filter;