DevTools: [SASS] implement AST differ.

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

 var initialize_InspectorTest = function() {
 
 var results = [];
 
 function consoleOutputHook(messageType)
 {
     InspectorTest.addResult(messageType + ": " + Array.prototype.slice.call(arguments, 1));
 }
 
 window._originalConsoleLog = console.log.bind(console);
@@ skipping 31 matching lines @@
     callback = InspectorTest.safeWrap(callback);
 
     function mycallback(error, result, wasThrown)
     {
         if (!error)
             callback(InspectorTest.runtimeModel.createRemoteObject(result), wasThrown);
     }
     InspectorTest.RuntimeAgent.evaluate(code, "console", false, mycallback);
 }
 
+InspectorTest.evaluateInPagePromise = function(code)
+{
+    return new Promise(succ => InspectorTest.evaluateInPage(code, succ));
+}
+
 InspectorTest.evaluateInPageWithTimeout = function(code)
 {
     // FIXME: we need a better way of waiting for chromium events to happen
     InspectorTest.evaluateInPage("setTimeout(unescape('" + escape(code) + "'), 1)");
 }
 
 InspectorTest.evaluateFunctionInOverlay = function(func, callback)
 {
     var expression = "testRunner.evaluateInWebInspectorOverlay(\"(\" + " + func + " + \")()\")";
     var mainContext = InspectorTest.runtimeModel.executionContexts()[0];
@@ skipping 1089 matching lines @@
     _output("[page] " + text);
 }
 
 function _output(result)
 {
     if (!outputElement)
         createOutputElement();
     outputElement.appendChild(document.createTextNode(result));
     outputElement.appendChild(document.createElement("br"));
 }