Bug 293159 [Browser] Search for external browser in Preferences finds > 40 instances of firefox on Ubuntu 64bit, if started in /usr/bin
bundles/org.eclipse.ui.browser/src/org/eclipse/ui/internal/browser/WebBrowserPreferencePage.java
public Image getColumnImage(Object element, int columnIndex) {
			return null;
		}
		public String getColumnText(Object element, int columnIndex) {
			IBrowserDescriptor browser = (IBrowserDescriptor) element;
			return notNull(browser.getName());
		}
		protected String notNull(String s) {
			if (s == null)
				return ""; 
			return s;
		}
		public boolean isLabelProperty(Object element, String property) {
			return false;
		}
		public void addListener(ILabelProviderListener listener) {
			
		}
		public void removeListener(ILabelProviderListener listener) {
			
		}
		public void dispose() {
			
		}
	}
	/**
	 * WebBrowserPreferencePage constructor comment.
	 */
	public WebBrowserPreferencePage() {