[Devtools][Code health] Changed NetworkRequest.url to proper getter/setter

third_party/WebKit/Source/devtools/front_end/sdk/ResourceTreeModel.js

Index: third_party/WebKit/Source/devtools/front_end/sdk/ResourceTreeModel.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sdk/ResourceTreeModel.js b/third_party/WebKit/Source/devtools/front_end/sdk/ResourceTreeModel.js
index eae9251e9005566caaf2e9310077938664f63d03..9e8082c187ff320b55d658747270db853f512120 100644
--- a/third_party/WebKit/Source/devtools/front_end/sdk/ResourceTreeModel.js
+++ b/third_party/WebKit/Source/devtools/front_end/sdk/ResourceTreeModel.js
@@ -677,13 +677,13 @@ SDK.ResourceTreeFrame = class {
    * @param {!SDK.NetworkRequest} request
    */
   _addRequest(request) {
-    var resource = this._resourcesMap[request.url];
+    var resource = this._resourcesMap[request.url()];
     if (resource && resource.request === request) {
       // Already in the tree, we just got an extra update.
       return;
     }
     resource = new SDK.Resource(
-        this.target(), request, request.url, request.documentURL, request.frameId, request.loaderId,
+        this.target(), request, request.url(), request.documentURL, request.frameId, request.loaderId,
         request.resourceType(), request.mimeType, null, null);
     this._resourcesMap[resource.url] = resource;
     this._model.dispatchEventToListeners(SDK.ResourceTreeModel.Events.ResourceAdded, resource);