[inspector] Make InspectorTest.sendCommand* private

test/inspector/debugger/call-frame-function-location.js

Index: test/inspector/debugger/call-frame-function-location.js
diff --git a/test/inspector/debugger/call-frame-function-location.js b/test/inspector/debugger/call-frame-function-location.js
index 3a5b25293b454bcb9ab2dc901a29bb573a15d7b6..c91164a037bf0ea10c332b8e1797d95870ceccd3 100644
--- a/test/inspector/debugger/call-frame-function-location.js
+++ b/test/inspector/debugger/call-frame-function-location.js
@@ -2,16 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-InspectorTest.evaluateInPage(
+InspectorTest.addScript(
 `function testFunction()
 {
     var a = 2;
     debugger;
 }`);
 
-InspectorTest.sendCommand("Debugger.enable", {});
-InspectorTest.eventHandler["Debugger.paused"] = handleDebuggerPaused;
-InspectorTest.sendCommand("Runtime.evaluate", { "expression": "setTimeout(testFunction, 0)" });
+Protocol.Debugger.enable();
+Protocol.Debugger.oncePaused().then(handleDebuggerPaused);
+Protocol.Runtime.evaluate({ "expression": "setTimeout(testFunction, 0)" });
 
 function handleDebuggerPaused(messageObject)
 {