Bug 42208 Source hover affordance text is black
Source hover affordance text is black, but should be gray.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/hover/SourceViewerInformationControl.java
fShell.forceFocus();
		fText.setFocus();
	}
	
	/*
	 * @see IInformationControl#addFocusListener(FocusListener)
	 */
	public void addFocusListener(FocusListener listener) {
		fText.addFocusListener(listener);
	}
	
	/*
	 * @see IInformationControl#removeFocusListener(FocusListener)
	 */
	public void removeFocusListener(FocusListener listener) {
		fText.removeFocusListener(listener);
	}
	
	/*
	 * @see IInformationControlExtension#hasContents()
	 */
	public boolean hasContents() {
		return fText.getCharCount() > 0;
	}
	
	protected ISourceViewer getViewer()  {
		return fViewer;
	}
}