[DevTools] Implementation of resource requests blocked by specific urls.

Source/devtools/front_end/sdk/NetworkManager.js

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 648 matching lines @@
      */
     _createNetworkRequest: function(requestId, frameId, loaderId, url, documentURL, initiator)
     {
         return new WebInspector.NetworkRequest(this._manager._target, requestId, url, documentURL, frameId, loaderId, initiator);
     }
 }
 
 
 /**
  * @constructor
+ * @extends {WebInspector.Object}
  * @implements {WebInspector.TargetManager.Observer}
  */
 WebInspector.MultitargetNetworkManager = function()
 {
+    WebInspector.Object.call(this);
     WebInspector.targetManager.observeTargets(this);
+
+    /** @type {!Set<string>} */
+    this._blockedURLs = new Set();
+}
+
+WebInspector.MultitargetNetworkManager.EventTypes = {
+    BlockedURLsChanged: "BlockedURLsChanged"
 }
 
 WebInspector.MultitargetNetworkManager.prototype = {
     /**
      * @override
      * @param {!WebInspector.Target} target
      */
     targetAdded: function(target)
     {
         var networkAgent = target.networkAgent();
         if (this._extraHeaders)
             networkAgent.setExtraHTTPHeaders(this._extraHeaders);
         if (typeof this._userAgent !== "undefined")
             networkAgent.setUserAgentOverride(this._userAgent);
+        for (var url of this._blockedURLs)
+            networkAgent.addBlockedURL(url);
     },
 
     /**
      * @override
      * @param {!WebInspector.Target} target
      */
     targetRemoved: function(target)
     {
     },
 
     /**
      * @param {!NetworkAgent.Headers} headers
      */
     setExtraHTTPHeaders: function(headers)
     {
         this._extraHeaders = headers;
         for (var target of WebInspector.targetManager.targets())
             target.networkAgent().setExtraHTTPHeaders(this._extraHeaders);
     },
 
     /**
      * @param {string} userAgent
      */
     setUserAgentOverride: function(userAgent)
     {
         WebInspector.ResourceLoader.targetUserAgent = userAgent;
         this._userAgent = userAgent;
         for (var target of WebInspector.targetManager.targets())
             target.networkAgent().setUserAgentOverride(this._userAgent);
-    }
+    },
+
+    /**
+     * @param {string} url
+     */
+    toggleURLBlocked: function(url)
+    {
+        if (this._blockedURLs.has(url)) {
+            this._blockedURLs.delete(url);
+            for (var target of WebInspector.targetManager.targets())
+                target.networkAgent().removeBlockedURL(url);
+        } else {
+            this._blockedURLs.add(url);
+            for (var target of WebInspector.targetManager.targets())
+                target.networkAgent().addBlockedURL(url);
+        }
+        this.dispatchEventToListeners(WebInspector.MultitargetNetworkManager.EventTypes.BlockedURLsChanged);
+    },
+
+    /**
+     * @return {!Set<string>}
+     */
+    blockedURLs: function()
+    {
+        return this._blockedURLs;
+    },
+
+    __proto__: WebInspector.Object.prototype
 }
 
 /**
  * @type {!WebInspector.MultitargetNetworkManager}
  */
 WebInspector.multitargetNetworkManager;