Merge 112677 - Web Inspector: ScriptsNavigator scripts selection/focus polish.

Source/WebCore/inspector/front-end/treeoutline.js

   /*
  * Copyright (C) 2007 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 391 matching lines @@
                 else
                     this.selectedTreeElement.expand();
             }
         }
     } else if (event.keyCode === 8 /* Backspace */ || event.keyCode === 46 /* Delete */) {
         if (this.selectedTreeElement.ondelete)
             handled = this.selectedTreeElement.ondelete();
     } else if (isEnterKey(event)) {
         if (this.selectedTreeElement.onenter)
             handled = this.selectedTreeElement.onenter();
+    } else if (event.keyCode === WebInspector.KeyboardShortcut.Keys.Space.code) {
+        if (this.selectedTreeElement.onspace)
+            handled = this.selectedTreeElement.onspace();
     }
 
     if (nextSelectedElement) {
         nextSelectedElement.reveal();
         nextSelectedElement.select(false, true);
     }
 
     if (handled)
         event.consume();
 }
@@ skipping 717 matching lines @@
     return this.parent;
 }
 
 TreeElement.prototype.isEventWithinDisclosureTriangle = function(event)
 {
     // FIXME: We should not use getComputedStyle(). For that we need to get rid of using ::before for disclosure triangle. (http://webk.it/74446) 
     var computedLeftPadding = window.getComputedStyle(this._listItemNode).getPropertyCSSValue("padding-left").getFloatValue(CSSPrimitiveValue.CSS_PX);
     var left = this._listItemNode.totalOffsetLeft() + computedLeftPadding;
     return event.pageX >= left && event.pageX <= left + this.arrowToggleWidth && this.hasChildren;
 }