Add filesize display functions to projectbrowser

Author: spoonmilk

ui/projectbrowser.h

@@ -90,6 +90,8 @@ class BINARYNINJAUIAPI ProjectItemModel: public QStandardItemModel, public Binar
 	QStandardItem* ItemForId(const std::string& id);
 
 	void reloadData(const BinaryNinja::ProgressFunction& progress = [](size_t, size_t){ return true; });
+	void toggleGlobalShowFileSize();
+	static bool isGlobalShowFileSize();
 
 	virtual QMimeData* mimeData(const QModelIndexList& indexes) const override;
 	virtual bool dropMimeData(const QMimeData* data, Qt::DropAction action, int row, int column, const QModelIndex& parent) override;