[DevTools] Do not expose agents on Target

third_party/WebKit/LayoutTests/inspector/schema-get-domains-matches-agents.html

Index: third_party/WebKit/LayoutTests/inspector/schema-get-domains-matches-agents.html
diff --git a/third_party/WebKit/LayoutTests/inspector/schema-get-domains-matches-agents.html b/third_party/WebKit/LayoutTests/inspector/schema-get-domains-matches-agents.html
index a2c0da89ba682899dcdc85b2e7eb404d5c644ad7..562bf9704fcade7148b896401d103f9f6f025359 100644
--- a/third_party/WebKit/LayoutTests/inspector/schema-get-domains-matches-agents.html
+++ b/third_party/WebKit/LayoutTests/inspector/schema-get-domains-matches-agents.html
@@ -5,7 +5,7 @@
 function test()
 {
     var target = InspectorTest.mainTarget;
-    target.schemaAgent().getDomains(gotDomains);
+    target._dispatcher.schemaAgent().getDomains(gotDomains);
 
     function gotDomains(error, domains)
     {
@@ -15,7 +15,7 @@ function test()
             return;
         }
         var domainNames = domains.map(domain => domain.name).sort();
-        var agentNames = Object.keys(target._agents).sort();
+        var agentNames = Object.keys(target._dispatcher._agents).sort();
         for (var domain of domainNames) {
             if (agentNames.indexOf(domain) === -1)
                 InspectorTest.addResult("agent " + domain + " is missing from target");