DevTools: replace mouseout with mouseleave where possible.

Source/devtools/front_end/resources/ResourcesPanel.js

 /*
  * Copyright (C) 2007, 2008, 2010 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  * Copyright (C) 2013 Samsung Electronics. 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
@@ skipping 73 matching lines @@
     /** @type {!Map.<!WebInspector.DOMStorage, !WebInspector.DOMStorageItemsView>} */
     this._domStorageViews = new Map();
     /** @type {!Map.<!WebInspector.DOMStorage, !WebInspector.DOMStorageTreeElement>} */
     this._domStorageTreeElements = new Map();
     /** @type {!Object.<string, !WebInspector.CookieItemsView>} */
     this._cookieViews = {};
     /** @type {!Object.<string, boolean>} */
     this._domains = {};
 
     this.sidebarElement().addEventListener("mousemove", this._onmousemove.bind(this), false);
-    this.sidebarElement().addEventListener("mouseout", this._onmouseout.bind(this), false);
+    this.sidebarElement().addEventListener("mouseleave", this._onmouseleave.bind(this), false);
 
     /**
      * @this {WebInspector.ResourcesPanel}
      * @return {?WebInspector.SourceFrame}
      */
     function sourceFrameGetter()
     {
         var view = this.visibleView;
         if (view && view instanceof WebInspector.SourceFrame)
             return /** @type {!WebInspector.SourceFrame} */ (view);
@@ skipping 681 matching lines @@
             this._previousHoveredElement.hovered = false;
             delete this._previousHoveredElement;
         }
 
         if (element instanceof WebInspector.FrameTreeElement) {
             this._previousHoveredElement = element;
             element.hovered = true;
         }
     },
 
-    _onmouseout: function(event)
+    _onmouseleave: function(event)
     {
         if (this._previousHoveredElement) {
             this._previousHoveredElement.hovered = false;
             delete this._previousHoveredElement;
         }
     },
 
     __proto__: WebInspector.PanelWithSidebarTree.prototype
 }
 
@@ skipping 1373 matching lines @@
 
 WebInspector.ResourcesPanelFactory.prototype = {
     /**
      * @return {!WebInspector.Panel}
      */
     createPanel: function()
     {
         return WebInspector.ResourcesPanel._instance();
     }
 }