[Devtools] Reverse dependency of ResourceTreeModel and NetworkLog

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

Index: third_party/WebKit/Source/devtools/front_end/sdk/TargetManager.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sdk/TargetManager.js b/third_party/WebKit/Source/devtools/front_end/sdk/TargetManager.js
index e170ff5a3fed8d652ddc2b21bdceaaf552255a42..2ea1833c28c6a7d1db0d5692f6a8afb405b99328 100644
--- a/third_party/WebKit/Source/devtools/front_end/sdk/TargetManager.js
+++ b/third_party/WebKit/Source/devtools/front_end/sdk/TargetManager.js
@@ -171,12 +171,13 @@ SDK.TargetManager = class extends Common.Object {
 
     var networkManager = null;
     var resourceTreeModel = null;
-    if (target.hasNetworkCapability())
+    if (target.hasNetworkCapability()) {
       networkManager = new SDK.NetworkManager(target);
-    if (networkManager && target.hasDOMCapability()) {
-      resourceTreeModel =
-          new SDK.ResourceTreeModel(target, networkManager, SDK.SecurityOriginManager.fromTarget(target));
-      new SDK.NetworkLog(target, resourceTreeModel, networkManager);
+      var networkLog = new SDK.NetworkLog(target, networkManager);
+      if (target.hasDOMCapability()) {
+        resourceTreeModel =
+            new SDK.ResourceTreeModel(target, networkManager, SDK.SecurityOriginManager.fromTarget(target), networkLog);
+      }
     }
 
     /** @type {!SDK.RuntimeModel} */