Bug 65444 [R21PRES] Close button shown when views not closeable
RC1 build - run the browser example using the R2.1 presentation - the views have close buttons in the titlebar, but should not because the perspective has fixed="true" (meaning that all initial views are non-moveable and non-closeable)
bundles/org.eclipse.ui.presentations.r21/src/org/eclipse/ui/internal/presentations/R21BasicStackPresentation.java
current.setVisible(false);
		}
		
		current = toSelect;
		
		if (current != null) {
			paneFolder.setSelection(indexOf(current));
			current.setVisible(true);
			setControlSize();		
		}
	}
	
	public IPresentablePart getCurrentPart() {
		return current;
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.ui.internal.skins.Presentation#setBounds(org.eclipse.swt.graphics.Rectangle)
	 */
	public void setBounds(Rectangle bounds) {
		paneFolder.getControl().setBounds(bounds);
		setControlSize();
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.ui.internal.skins.Presentation#computeMinimumSize()
	 */
	public Point computeMinimumSize() {
		return Geometry.getSize(paneFolder.computeTrim(0,0,0,0));
	}