DevTools: render console level filter as drop box.

third_party/WebKit/Source/devtools/front_end/sdk/ConsoleModel.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 255 matching lines @@
       column,
       requestId,
       parameters,
       stackTrace,
       timestamp,
       executionContextId,
       scriptId,
       workerId) {
     this._target = target;
     this.source = source;
-    this.level = level;
+    this.level = /** @type {?SDK.ConsoleMessage.MessageLevel} */ (level);
     this.messageText = messageText;
     this.type = type || SDK.ConsoleMessage.MessageType.Log;
     /** @type {string|undefined} */
     this.url = url || undefined;
     /** @type {number} */
     this.line = line || 0;
     /** @type {number} */
     this.column = column || 0;
     this.parameters = parameters;
     /** @type {!Protocol.Runtime.StackTrace|undefined} */
@@ skipping 225 matching lines @@
 /**
  * @enum {string}
  */
 SDK.ConsoleMessage.MessageLevel = {
   Verbose: 'verbose',
   Info: 'info',
   Warning: 'warning',
   Error: 'error'
 };
 
+/**
+ * @param {!SDK.ConsoleMessage.MessageLevel} level
+ * @return {number}
+ */
+SDK.ConsoleMessage.MessageLevel.ordinal = function(level) {
+  if (level === SDK.ConsoleMessage.MessageLevel.Verbose)
+    return 0;
+  if (level === SDK.ConsoleMessage.MessageLevel.Info)
+    return 1;
+  if (level === SDK.ConsoleMessage.MessageLevel.Warning)
+    return 2;
+  return 3;
+};
 
 /**
  * @implements {Protocol.LogDispatcher}
  * @unrestricted
  */
 SDK.LogDispatcher = class {
   /**
    * @param {!SDK.ConsoleModel} console
    */
   constructor(console) {
@@ skipping 85 matching lines @@
    */
   _commandEvaluated(event) {
     this.dispatchEventToListeners(SDK.ConsoleModel.Events.CommandEvaluated, event.data);
   }
 };
 
 /**
  * @type {!SDK.MultitargetConsoleModel}
  */
 SDK.multitargetConsoleModel;