[Devtools] Persist network request blocking

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

Index: third_party/WebKit/Source/devtools/front_end/sdk/NetworkManager.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sdk/NetworkManager.js b/third_party/WebKit/Source/devtools/front_end/sdk/NetworkManager.js
index 4fc818cdf2562f18218b66cb1650c4a5f21a5186..8ab8cc9cde861faf5d9b85014e6b99ecc5546a3f 100644
--- a/third_party/WebKit/Source/devtools/front_end/sdk/NetworkManager.js
+++ b/third_party/WebKit/Source/devtools/front_end/sdk/NetworkManager.js
@@ -684,11 +684,11 @@ SDK.NetworkDispatcher = class {
 SDK.MultitargetNetworkManager = class extends Common.Object {
   constructor() {
     super();
-
-    this._userAgentOverride = '';
-    this._isRequestBlockingEnabled = false;
     /** @type {!Set<!Protocol.NetworkAgent>} */
     this._agents = new Set();
+
+    this._isRequestBlockingEnabled = false;
+    this._userAgentOverride = '';
     /** @type {!SDK.NetworkManager.Conditions} */
     this._networkConditions = SDK.NetworkManager.NoThrottlingConditions;