[DevTools] Make NetworkLog a singleton, and not an SDKModel

third_party/WebKit/LayoutTests/http/tests/inspector/inspector-test.js

Index: third_party/WebKit/LayoutTests/http/tests/inspector/inspector-test.js
diff --git a/third_party/WebKit/LayoutTests/http/tests/inspector/inspector-test.js b/third_party/WebKit/LayoutTests/http/tests/inspector/inspector-test.js
index 49dae01056bb43da2a5ca53ee672d04408da8091..68c93e74f0fc3c6fb6230d8b34659947ce5de647 100644
--- a/third_party/WebKit/LayoutTests/http/tests/inspector/inspector-test.js
+++ b/third_party/WebKit/LayoutTests/http/tests/inspector/inspector-test.js
@@ -974,7 +974,6 @@ SDK.targetManager.observeTargets({
         InspectorTest.networkManager = SDK.NetworkManager.fromTarget(target);
         InspectorTest.securityOriginManager = SDK.SecurityOriginManager.fromTarget(target);
         InspectorTest.resourceTreeModel = SDK.ResourceTreeModel.fromTarget(target);
-        InspectorTest.networkLog = SDK.NetworkLog.fromTarget(target);
         InspectorTest.debuggerModel = SDK.DebuggerModel.fromTarget(target);
         InspectorTest.runtimeModel = target.runtimeModel;
         InspectorTest.domModel = SDK.DOMModel.fromTarget(target);
@@ -988,6 +987,7 @@ SDK.targetManager.observeTargets({
         InspectorTest.tracingManager = target.model(SDK.TracingManager);
         InspectorTest.mainTarget = target;
         InspectorTest.consoleModel = ConsoleModel.consoleModel;
+        InspectorTest.networkLog = SDK.networkLog;
     },
 
     targetRemoved: function(target) { }