iconGrid: Don't enter an infinite loop
If both spacing and -shell-grid-item-size are 0, as they would be with nothing setting them, we enter an infinite loop where we try to compute the layout. Avoid the situation entirely by defaulting -shell-grid-item-size to a sane value instead of 0. https://bugzilla.gnome.org/show_bug.cgi?id=662747
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@ -305,7 +305,7 @@ const IconGrid = new Lang.Class({
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_onStyleChanged: function() {
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let themeNode = this.actor.get_theme_node();
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this._spacing = themeNode.get_length('spacing');
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this._item_size = themeNode.get_length('-shell-grid-item-size');
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this._item_size = themeNode.get_length('-shell-grid-item-size') || ICON_SIZE;
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this._grid.queue_relayout();
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},
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