Bug 20700 Code assist activates help UI
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitEditor.java
fProblemPainter.setHighlightColor(getColor(PROBLEM_INDICATION_COLOR));
			fPaintManager.addPainter(fProblemPainter);
		}
	}
	
	private void stopProblemIndication() {
		if (fProblemPainter != null) {
			fPaintManager.removePainter(fProblemPainter);
			fProblemPainter.deactivate(true);
			fProblemPainter.dispose();
			fProblemPainter= null;
		}
	}
	
	private boolean isProblemIndicationEnabled() {
		IPreferenceStore store= getPreferenceStore();
		return store.getBoolean(PROBLEM_INDICATION);
	}
	
	private void configureTabConverter() {
		if (fTabConverter != null) {
			IDocumentProvider provider= getDocumentProvider();
			if (provider instanceof CompilationUnitDocumentProvider) {
				CompilationUnitDocumentProvider cup= (CompilationUnitDocumentProvider) provider;
				fTabConverter.setLineTracker(cup.createLineTracker(getEditorInput()));
			}
		}
	}
	
	private int getTabSize() {