DevTools: Promisify Runtime domain

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

 function extensionFunctions()
 {
     var functions = "";
 
     for (symbol in window) {
         if (/^extension_/.exec(symbol) && typeof window[symbol] === "function")
             functions += window[symbol].toString();
     }
     return functions;
 }
@@ skipping 29 matching lines @@
     }
 }
 
 InspectorTest.showPanel = function(panelId)
 {
     if (panelId === "extension")
         panelId = UI.inspectorView._tabbedPane._tabs[UI.inspectorView._tabbedPane._tabs.length - 1].id;
     return UI.inspectorView.showPanel(panelId);
 }
 
-InspectorTest.runExtensionTests = function()
+InspectorTest.runExtensionTests = async function()
 {
-    InspectorTest.RuntimeAgent.evaluate("location.href", "console", false, function(error, result) {
-        if (error)
-            return;
-        var pageURL = result.value;
-        var extensionURL = (/^https?:/.test(pageURL) ?
-            pageURL.replace(/^(https?:\/\/[^/]*\/).*$/,"$1") :
-            pageURL.replace(/\/inspector\/extensions\/[^/]*$/, "/http/tests")) +
-            "/inspector/resources/extension-main.html";
-        InspectorFrontendAPI.addExtensions([{ startPage: extensionURL, name: "test extension", exposeWebInspectorNamespace: true }]);
-        Extensions.extensionServer.initializeExtensions();
-    });
+    var result = await InspectorTest.RuntimeAgent.evaluate("location.href", "console", false);
+    if (!result)
+        return;
+    var pageURL = result.value;
+    var extensionURL = (/^https?:/.test(pageURL) ?
+        pageURL.replace(/^(https?:\/\/[^/]*\/).*$/,"$1") :
+        pageURL.replace(/\/inspector\/extensions\/[^/]*$/, "/http/tests")) +
+        "/inspector/resources/extension-main.html";
+    InspectorFrontendAPI.addExtensions([{ startPage: extensionURL, name: "test extension", exposeWebInspectorNamespace: true }]);
+    Extensions.extensionServer.initializeExtensions();
 }
 
 }
 
 function extension_showPanel(panelId, callback)
 {
     evaluateOnFrontend("InspectorTest.showPanel(unescape('" + escape(panelId) + "')).then(function() { reply(); });", callback);
 }
 
 var test = function()
 {
     Common.moduleSetting("shortcutPanelSwitch").set(true);
     InspectorTest.runExtensionTests();
 }