DevTools: only set title w/ shortcut via Tooltip manager API.

Source/devtools/front_end/ui/ColorSwatch.js

 // Copyright (c) 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @constructor
  * @extends {HTMLSpanElement}
  */
 WebInspector.ColorSwatch = function()
 {
@@ skipping 64 matching lines @@
     {
         return this._iconElement;
     },
 
     createdCallback: function()
     {
         var root = WebInspector.createShadowRootWithCoreStyles(this);
         root.appendChild(WebInspector.Widget.createStyleElement("ui/colorSwatch.css"));
 
         this._iconElement = root.createChild("span", "color-swatch");
-        WebInspector.Tooltip.install(this._iconElement, WebInspector.UIString("Shift-click to change color format"));
+        this._iconElement.title = WebInspector.UIString("Shift-click to change color format");
         this._swatchInner = this._iconElement.createChild("span", "color-swatch-inner");
         this._swatchInner.addEventListener("dblclick", consumeEvent, false);
         this._swatchInner.addEventListener("mousedown", consumeEvent, false);
         this._swatchInner.addEventListener("click", this._handleClick.bind(this), true);
 
         root.createChild("content");
         this._colorValueElement = this.createChild("span");
 
         this.setColorText("white");
     },
@@ skipping 54 matching lines @@
         case cf.Nickname:
             if (!color.hasAlpha())
                 return color.canBeShortHex() ? cf.ShortHEX : cf.HEX;
             else
                 return cf.Original;
 
         default:
             return cf.RGBA;
     }
 }