[DevTools] Added Runtime.awaitPromise protocol method

third_party/WebKit/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:
 
 1.  Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 57 matching lines @@
         if (msg.error) {
             InspectorTest.log("ERROR: " + msg.error.message);
             InspectorTest.completeTest();
             return;
         }
         if (callback)
             callback(msg.result);
     }
 }
 
+InspectorTest.sendCommandPromise = function(method, params)
+{
+    var callback;
+    var promise = new Promise(fulfill => callback = fulfill);
+    InspectorTest.sendCommand(method, params, callback);
+    return promise;
+}
+
 InspectorTest.domUndo = function(callback)
 {
     InspectorTest.sendCommandOrDie("DOM.undo", {}, callback);
 }
 
 InspectorTest.undoAndNext = function(next)
 {
     return InspectorTest.domUndo.bind(InspectorTest, next);
 }
 
@@ skipping 334 matching lines @@
     var callback = didResolve ? callbacks.resolve : callbacks.reject;
     delete pendingPromiseEvalRequests[callId];
     callback(value);
 }
 
 window.addEventListener("load", InspectorTest.readyForTest.bind(InspectorTest), false);
 
 </script>
 </head>
 </html>