[DevTools] Hide popover on window resize.

Source/devtools/front_end/ui/Popover.js

 /*
  * Copyright (C) 2009 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 31 matching lines @@
 
     this._popupArrowElement = document.createElement("div");
     this._popupArrowElement.className = "arrow";
     this.element.appendChild(this._popupArrowElement);
 
     this._contentDiv = document.createElement("div");
     this._contentDiv.className = "content";
     this.element.appendChild(this._contentDiv);
 
     this._popoverHelper = popoverHelper;
+    this._hideBound = this.hide.bind(this);
 }
 
 WebInspector.Popover.prototype = {
     /**
      * @param {!Element} element
      * @param {!Element|!AnchorBox} anchor
      * @param {?number=} preferredWidth
      * @param {?number=} preferredHeight
      * @param {?WebInspector.Popover.Orientation=} arrowDirection
      */
@@ skipping 30 matching lines @@
         // This should not happen, but we hide previous popup to be on the safe side.
         if (WebInspector.Popover._popover)
             WebInspector.Popover._popover.hide();
         WebInspector.Popover._popover = this;
 
         // Temporarily attach in order to measure preferred dimensions.
         var preferredSize = view ? view.measurePreferredSize() : this.contentElement.measurePreferredSize();
         preferredWidth = preferredWidth || preferredSize.width;
         preferredHeight = preferredHeight || preferredSize.height;
 
+        window.addEventListener("resize", this._hideBound, false);
         document.body.appendChild(this._containerElement);
         WebInspector.View.prototype.show.call(this, this._containerElement);
 
         if (view)
             view.show(this._contentDiv);
         else
             this._contentDiv.appendChild(this.contentElement);
 
         this._positionElement(anchor, preferredWidth, preferredHeight, arrowDirection);
 
         if (this._popoverHelper) {
             this._contentDiv.addEventListener("mousemove", this._popoverHelper._killHidePopoverTimer.bind(this._popoverHelper), true);
             this.element.addEventListener("mouseout", this._popoverHelper._popoverMouseOut.bind(this._popoverHelper), true);
         }
     },
 
     hide: function()
     {
+        window.removeEventListener("resize", this._hideBound, false);
         this.detach();
         this._containerElement.remove();
         delete WebInspector.Popover._popover;
     },
 
     get disposed()
     {
         return this._disposed;
     },
 
@@ skipping 259 matching lines @@
             this._resetHoverTimer();
         }
     }
 }
 
 /** @enum {string} */
 WebInspector.Popover.Orientation = {
     Top: "top",
     Bottom: "bottom"
 }