DevTools: fix inspector-protocol css tests

LayoutTests/inspector-protocol/css/css-protocol-test.js

 function initialize_cssTest()
 {
 
 InspectorTest.dumpStyleSheetText = function(styleSheetId, callback)
 {
     InspectorTest.sendCommandOrDie("CSS.getStyleSheetText", { styleSheetId: styleSheetId }, onStyleSheetText);
     function onStyleSheetText(result)
     {
         InspectorTest.log("==== Style sheet text ====");
         InspectorTest.log(result.text);
@@ skipping 47 matching lines @@
 InspectorTest.requestDocumentNodeId = function(callback)
 {
     InspectorTest.sendCommandOrDie("DOM.getDocument", {}, onGotDocument);
 
     function onGotDocument(result)
     {
         callback(result.root.nodeId);
     }
 };
 
-InspectorTest.requestNodeId = function(selector, callback)
+InspectorTest.requestNodeId = function(documentNodeId, selector, callback)
 {
-    InspectorTest.requestDocumentNodeId(onGotDocumentNodeId);
-
-    function onGotDocumentNodeId(documentNodeId)
-    {
-        InspectorTest.sendCommandOrDie("DOM.querySelector", { "nodeId": documentNodeId , "selector": selector }, onGotNode);
-    }
+    InspectorTest.sendCommandOrDie("DOM.querySelector", { "nodeId": documentNodeId , "selector": selector }, onGotNode);
 
     function onGotNode(result)
     {
         callback(result.nodeId);
     }
 };
 
 InspectorTest.dumpRuleMatch = function(ruleMatch)
 {
     function log(indent, string)
@@ skipping 46 matching lines @@
             var ruleMatch = ruleMatches[i];
             var origin = ruleMatch.rule.origin;
             if (origin !== "inspector" && origin !== "regular")
                 continue;
             InspectorTest.dumpRuleMatch(ruleMatch);
         }
         callback();
     }
 }
 
-InspectorTest.loadAndDumpMatchingRules = function(selector, callback)
+InspectorTest.loadAndDumpMatchingRules = function(documentNodeId, selector, callback)
 {
-    InspectorTest.requestNodeId(selector, nodeIdLoaded);
+    InspectorTest.requestNodeId(documentNodeId, selector, nodeIdLoaded);
 
     function nodeIdLoaded(nodeId)
     {
         InspectorTest.loadAndDumpMatchingRulesForNode(nodeId, callback);
     }
 }
 
 }