DevTools: remove InspectorTest.assert from inspector-protocol tests

LayoutTests/http/tests/inspector-protocol/resources/protocol-test.html

 <!--
 Copyright (C) 2012 Samsung Electronics. All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 
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@@ skipping 259 matching lines @@
         return true;
     }
 
     InspectorTest.log("FAIL: " + name + ": " + JSON.stringify(messageObject));
     InspectorTest.completeTest();
     return false;
 }
 InspectorTest.expectedSuccess = InspectorTest.checkExpectation.bind(null, false);
 InspectorTest.expectedError = InspectorTest.checkExpectation.bind(null, true);
 
-InspectorTest.assert = function(condition, message)
-{
-    if (condition)
-        return;
-    InspectorTest.log("FAIL: assertion failed: " + message);
-    InspectorTest.completeTest();
-}
-
-InspectorTest.assertEquals = function(expected, actual, message)
-{
-    if (expected === actual)
-        return;
-    InspectorTest.assert(false, "expected: `" + expected + "', actual: `" + actual + "'" + (message ? ", " + message : ""));
-}
-
 /**
  * @param {string} scriptName
  */
 InspectorTest.importScript = function(scriptName)
 {
     var xhr = new XMLHttpRequest();
     xhr.open("GET", scriptName, false);
     xhr.send(null);
     window.eval(xhr.responseText + "\n//@ sourceURL=" + scriptName);
 }
@@ skipping 12 matching lines @@
 function enableInspectorAgent()
 {
     InspectorTest.sendCommand("Inspector.enable", { });
 }
 
 window.addEventListener("load", enableInspectorAgent, false);
 
 </script>
 </head>
 </html>