[inspector] Make InspectorTest.sendCommand* private

test/inspector/runtime/console-line-and-column.js

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-InspectorTest.sendCommand("Runtime.enable", {});
+Protocol.Runtime.enable();
 
 addConsoleMessagePromise("console.log(239)")
-  .then(dumpMessage)
+  .then(message => InspectorTest.logMessage(message))
   .then(() => addConsoleMessagePromise("var l = console.log;\n  l(239)"))
-  .then(dumpMessage)
+  .then(message => InspectorTest.logMessage(message))
   .then(() => InspectorTest.completeTest());
 
 function addConsoleMessagePromise(expression)
 {
-  var cb;
-  var p = new Promise((resolver) => cb = resolver);
-  InspectorTest.eventHandler["Runtime.consoleAPICalled"] = (messageObject) => cb(messageObject);
-  InspectorTest.sendCommand("Runtime.evaluate", { expression: expression });
-  return p;
+  var wait = Protocol.Runtime.onceConsoleAPICalled();
+  Protocol.Runtime.evaluate({ expression: expression });
+  return wait;
 }
-
-function dumpMessage(messageObject)
-{
-  var msg = messageObject.params;
-  delete msg.executionContextId;
-  delete msg.args;
-  delete msg.timestamp;
-  for (var frame of msg.stackTrace.callFrames)
-    frame.scriptId = 0;
-  if (!frame.functionName)
-    frame.functionName = "(anonymous)";
-  if (!frame.url)
-    frame.url = "(empty)";
-  InspectorTest.logObject(msg);
-}