Bug 72615 [Viewers] Need and ITableFontProvider
We released an ITabelColorProvider for M2 - we should have a corresponding ITableFontProvider
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/StructuredViewer.java
* @param listener
	 *            a double-click listener
	 */
	public void addDoubleClickListener(IDoubleClickListener listener) {
		doubleClickListeners.add(listener);
	}
	/**
	 * Adds a listener for selection-open in this viewer. Has no effect if an
	 * identical listener is already registered.
	 * 
	 * @param listener
	 *            a double-click listener
	 */
	public void addOpenListener(IOpenListener listener) {
		openListeners.add(listener);
	}
	/*
	 * (non-Javadoc) Method declared on IPostSelectionProvider.
	 */
	public void addPostSelectionChangedListener(ISelectionChangedListener listener) {
		postSelectionChangedListeners.add(listener);
	}
	/**
	 * Adds support for dragging items out of this viewer via a user
	 * drag-and-drop operation.
	 * 
	 * @param operations
	 *            a bitwise OR of the supported drag and drop operation types (
	 *            <code>DROP_COPY</code>,<code>DROP_LINK</code>, and
	 *            <code>DROP_MOVE</code>)