Bug 113104 [hovering] Consider adapting AbstractInformationControl to new PopupDialog
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/AbstractInformationControl.java
fStatusField.setBackground(background);
			fStatusField.getParent().setBackground(background);
		}
		if (fViewMenuButton != null)
			fViewMenuButton.setBackground(background);
		if (fToolBar != null)
			fToolBar.setBackground(background);
	}
	/**
	 * {@inheritDoc}
	 */
	public boolean isFocusControl() {
		return fTreeViewer.getControl().isFocusControl() || fFilterText.isFocusControl();
	}
	/**
	 * {@inheritDoc}
	 */
	public void setFocus() {
		fShell.forceFocus();
		fFilterText.setFocus();
	}
	/**
	 * {@inheritDoc}
	 */
	public void addFocusListener(FocusListener listener) {
		fShell.addFocusListener(listener);
	}
	/**
	 * {@inheritDoc}
	 */