DevTools: do not allow using 'this' before call into super.

third_party/WebKit/Source/devtools/front_end/ui/TextPrompt.js

 /*
  * Copyright (C) 2008 Apple Inc.  All rights reserved.
  * 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 13 matching lines @@
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /**
  * @constructor
  * @extends {WebInspector.Object}
  * @implements {WebInspector.SuggestBoxDelegate}
- * @param {function(!Element, !Range, boolean, function(!Array.<string>, number=))} completions
- * @param {string=} stopCharacters
  */
-WebInspector.TextPrompt = function(completions, stopCharacters)
+WebInspector.TextPrompt = function()
 {
     /**
      * @type {!Element|undefined}
      */
     this._proxyElement;
     this._proxyElementDisplay = "inline-block";
-    this._loadCompletions = completions;
-    this._completionStopCharacters = stopCharacters || " =:[({;,!+-*/&|^<>.";
     this._autocompletionTimeout = WebInspector.TextPrompt.DefaultAutocompletionTimeout;
     this._title = "";
     this._previousText = "";
     this._currentHintText = "";
     this._completionRequestId = 0;
 };
 
 WebInspector.TextPrompt.DefaultAutocompletionTimeout = 250;
 
 /** @enum {symbol} */
 WebInspector.TextPrompt.Events = {
     ItemApplied: Symbol("text-prompt-item-applied"),
     ItemAccepted: Symbol("text-prompt-item-accepted")
 };
 
 WebInspector.TextPrompt.prototype = {
     /**
+     * @param {function(!Element, !Range, boolean, function(!Array.<string>, number=))} completions
+     * @param {string=} stopCharacters
+     */
+    initialize: function(completions, stopCharacters)
+    {
+        this._loadCompletions = completions;
+        this._completionStopCharacters = stopCharacters || " =:[({;,!+-*/&|^<>.";
+    },
+
+    /**
      * @param {number} timeout
      */
     setAutocompletionTimeout: function(timeout)
     {
         this._autocompletionTimeout = timeout;
     },
 
     /**
      * @param {boolean} suggestBoxEnabled
      */
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     /**
      * @return {?Element}
      */
     proxyElementForTests: function()
     {
         return this._proxyElement || null;
     },
 
     __proto__: WebInspector.Object.prototype
 };