Bug 58921 Texts created with unsupported styles
- org.eclipse.jdt.internal.ui.text.AbstractInformationControl.createFilterText creates a Text with style SWT.FLAT - org.eclipse.jdt.internal.ui.filters.CustomFiltersDialog.createCheckBoxList creates a Text with style SWT.VERTICAL (perhaps V_SCROLL was meant?)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/AbstractInformationControl.java
public Rectangle computeTrim() {
		if (fTrim != null)
			return fTrim;
		return new Rectangle(0, 0, 0, 0);
	}
	
	/**
	 * {@inheritDoc}
	 */
	public void setLocation(Point location) {
		fTrim= fShell.computeTrim(0, 0, 0, 0);
		Point compositeLocation= fComposite.getLocation();
		location.x += fTrim.x - compositeLocation.x;		
		location.y += fTrim.y - compositeLocation.y;		
		fShell.setLocation(location);		
	}
	
	/**
	 * {@inheritDoc}
	 */
	public void setSize(int width, int height) {
		fShell.setSize(width, height);
	}
	/**
	 * {@inheritDoc}
	 */
	public void addDisposeListener(DisposeListener listener) {
		fShell.addDisposeListener(listener);
	}
	/**