DevTools: Allow dynamic module registration only in tests

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

 var initialize_InspectorTest = function() {
 
 var results = [];
 var resultsSynchronized = false;
 
 function consoleOutputHook(messageType)
 {
     InspectorTest.addResult(messageType + ": " + Array.prototype.slice.call(arguments, 1));
 }
 
@@ skipping 222 matching lines @@
     else
         InspectorTest.addResult(prefixWithName + value);
 }
 
 InspectorTest.assertGreaterOrEqual = function(a, b, message)
 {
     if (a < b)
         InspectorTest.addResult("FAILED: " + (message ? message + ": " : "") + a + " < " + b);
 }
 
+InspectorTest.registerModule = function(moduleName, loadImmediately)
+{
+    runtime._registerModule(moduleName);
+    if (loadImmediately)
+        runtime.loadModule(moduleName);
+}
+
 InspectorTest.navigate = function(url, callback)
 {
     InspectorTest._pageLoadedCallback = InspectorTest.safeWrap(callback);
 
     WebInspector.inspectorView.panel("network")._reset();
     InspectorTest.evaluateInConsole("window.location = '" + url + "'");
 }
 
 InspectorTest.recordNetwork = function()
 {
@@ skipping 585 matching lines @@
     evaluateInWebInspector: function(callId, script)
     {
         window.opener.postMessage(["evaluateInWebInspector", callId, script], "*");
     },
 
     display: function() { }
 }
 
 if (!window.testRunner && window.opener)
     window.testRunner = new StandaloneTestRunnerStub();