[DevTools] Added Runtime.awaitPromise protocol method

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

Index: third_party/WebKit/LayoutTests/http/tests/inspector-protocol/resources/protocol-test.html
diff --git a/third_party/WebKit/LayoutTests/http/tests/inspector-protocol/resources/protocol-test.html b/third_party/WebKit/LayoutTests/http/tests/inspector-protocol/resources/protocol-test.html
index 1a9533ddc67a16f246b6b4663274f43f8b8ddce7..98b96f7b638d971ebb8728b16f095a2283147439 100644
--- a/third_party/WebKit/LayoutTests/http/tests/inspector-protocol/resources/protocol-test.html
+++ b/third_party/WebKit/LayoutTests/http/tests/inspector-protocol/resources/protocol-test.html
@@ -75,6 +75,14 @@ InspectorTest.sendCommandOrDie = function(command, properties, callback)
     }
 }
 
+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);