[DevTools] Do not expose agents on Target

third_party/WebKit/LayoutTests/http/tests/inspector/security/blocked-mixed-content-and-subresources-with-cert-errors.html

Index: third_party/WebKit/LayoutTests/http/tests/inspector/security/blocked-mixed-content-and-subresources-with-cert-errors.html
diff --git a/third_party/WebKit/LayoutTests/http/tests/inspector/security/blocked-mixed-content-and-subresources-with-cert-errors.html b/third_party/WebKit/LayoutTests/http/tests/inspector/security/blocked-mixed-content-and-subresources-with-cert-errors.html
index 90ff911e69d484627ae9c783f05920234f51b934..85132feda5c8016d94aa9924b621530623d73ac9 100644
--- a/third_party/WebKit/LayoutTests/http/tests/inspector/security/blocked-mixed-content-and-subresources-with-cert-errors.html
+++ b/third_party/WebKit/LayoutTests/http/tests/inspector/security/blocked-mixed-content-and-subresources-with-cert-errors.html
@@ -9,7 +9,7 @@ function test()
     var insecureContentStatus = { ranMixedContent: false, displayedMixedContent: false, ranContentWithCertErrors: false, displayedContentWithCertErrors: true, ranInsecureContentStyle: Protocol.Security.SecurityState.Insecure, displayedInsecureContentStyle: Protocol.Security.SecurityState.Neutral };
     InspectorTest.mainTarget.model(Security.SecurityModel).dispatchEventToListeners(Security.SecurityModel.Events.SecurityStateChanged, new Security.PageSecurityState(Protocol.Security.SecurityState.Secure, true, [], insecureContentStatus, null));
 
-    var request = new SDK.NetworkRequest(InspectorTest.mainTarget, 0, "http://foo.test", "https://foo.test", 0, 0, null);
+    var request = new SDK.NetworkRequest(InspectorTest.networkManager, InspectorTest.NetworkAgent, 0, "http://foo.test", "https://foo.test", 0, 0, null);
     request.setBlockedReason(Protocol.Network.BlockedReason.MixedContent);
     request.mixedContentType = "blockable";
     InspectorTest.dispatchRequestFinished(request);