[DevTools] Extract small-bubble component.

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

 /*
  * Copyright (C) 2011 Google Inc.  All rights reserved.
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.com).
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
@@ skipping 1517 matching lines @@
          * @this {Element}
          */
         set type(type)
         {
             this._iconElement.className = type;
         },
 
         __proto__: HTMLLabelElement.prototype
     });
 
+    registerCustomElement("label", "dt-small-bubble", {
+        /**
+         * @this {Element}
+         */
+        createdCallback: function()
+        {
+            var root = WebInspector.createShadowRootWithCoreStyles(this, "ui/smallBubble.css");
+            this._textElement = root.createChild("div");
+            this._textElement.className = "info";
+            this._textElement.createChild("content");
+        },
+
+        /**
+         * @param {string} type
+         * @this {Element}
+         */
+        set type(type)
+        {
+            this._textElement.className = type;
+        },
+
+        __proto__: HTMLLabelElement.prototype
+    });
+
     registerCustomElement("div", "dt-close-button", {
         /**
          * @this {Element}
          */
         createdCallback: function()
         {
             var root = WebInspector.createShadowRootWithCoreStyles(this, "ui/closeButton.css");
             this._buttonElement = root.createChild("div", "close-button");
         },
 
@@ skipping 388 matching lines @@
  * @param {string} title
  * @return {!Element}
  */
 WebInspector.linkifyDocumentationURLAsNode = function(article, title)
 {
     return WebInspector.linkifyURLAsNode("https://developers.google.com/web/tools/chrome-devtools/" + article, title, undefined, true);
 }
 
 /** @type {!WebInspector.ThemeSupport} */
 WebInspector.themeSupport;