DevTools: Add popover for snapshot canvas log.

Source/devtools/front_end/components/ObjectPopoverHelper.js

 /*
  * 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:
  *
  *     * 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 15 matching lines @@
  * 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.PopoverHelper}
  * @param {!Element} panelElement
  * @param {function(!Element, !Event):!Element|undefined} getAnchor
- * @param {function(!Element, function(!WebInspector.RemoteObject, boolean, !Element=):undefined, string):undefined} queryObject
+ * @param {function(!Element, function(!WebInspector.RemoteObject, boolean=, !Element=):undefined, string):undefined} queryObject

[caseq, 2014/06/11 16:03:21]

is this really necessary?

[malch, 2014/06/11 16:32:58]

Added it because of the lint error. Removed it.
On 2014/06/11 16:03:21, caseq wrote:

  * @param {function()=} onHide
  * @param {boolean=} disableOnClick
  */
 WebInspector.ObjectPopoverHelper = function(panelElement, getAnchor, queryObject, onHide, disableOnClick)
 {
     WebInspector.PopoverHelper.call(this, panelElement, getAnchor, this._showObjectPopover.bind(this), this._onHideObjectPopover.bind(this), disableOnClick);
     this._queryObject = queryObject;
     this._onHideCallback = onHide;
     this._popoverObjectGroup = "popover";
     panelElement.addEventListener("scroll", this.hidePopover.bind(this), true);
@@ skipping 39 matching lines @@
             if (link)
                 title.appendChild(link);
 
             container.appendChild(popoverContentElement);
 
             popover.show(container, anchorElement);
         }
 
         /**
          * @param {!WebInspector.RemoteObject} result
-         * @param {boolean} wasThrown
+         * @param {boolean=} wasThrown
          * @param {!Element=} anchorOverride
          * @this {WebInspector.ObjectPopoverHelper}
          */
         function showObjectPopover(result, wasThrown, anchorOverride)
         {
             if (popover.disposed)
                 return;
             if (wasThrown) {
                 this.hidePopover();
                 return;
@@ skipping 67 matching lines @@
                 if (properties[i].value.description)
                     this._titleElement.textContent += "#" + properties[i].value.description;
                 break;
             }
         }
         this._sectionUpdateProperties(properties, rootTreeElementConstructor, rootPropertyComparer);
     },
 
     __proto__: WebInspector.PopoverHelper.prototype
 }