DevTools: do not hide autocomplete for console prompt as user types.

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

 var initialize_ConsoleTest = function() {
 
 InspectorTest.preloadModule("source_frame");
 InspectorTest.preloadPanel("console");
 
 InspectorTest.selectMainExecutionContext = function()
 {
     var executionContexts = InspectorTest.mainTarget.runtimeModel.executionContexts();
     for (var context of executionContexts) {
         if (context.isDefault) {
@@ skipping 331 matching lines @@
         }
     }
 }
 
 InspectorTest.waitUntilConsoleEditorLoaded = function()
 {
     var fulfill;
     var promise = new Promise(x => fulfill = x);
     var editor = WebInspector.ConsoleView.instance()._prompt._editor;
     if (editor)
-        fulfill();
+        fulfill(editor);
     else
-        InspectorTest.addSniffer(WebInspector.ConsolePrompt.prototype, "_editorSetForTest", _ => fulfill())
+        InspectorTest.addSniffer(WebInspector.ConsolePrompt.prototype, "_editorSetForTest", _ => fulfill(editor))
     return promise;
 }
 
 InspectorTest.waitUntilMessageReceived = function(callback)
 {
     InspectorTest.addSniffer(InspectorTest.consoleModel, "addMessage", callback, false);
 }
 
 InspectorTest.waitUntilMessageReceivedPromise = function()
 {
@@ skipping 50 matching lines @@
         if (consoleView._visibleViewMessages.length === expectedCount) {
             InspectorTest.addResult("Message count: " + expectedCount);
             callback();
         } else {
             InspectorTest.addSniffer(consoleView, "_messageAppendedForTests", checkAndReturn);
         }
     }
 }
 
 }