Bug 60349 [implementation] reduce warnings due to core.runtime deprecations
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
* Install the Semantic Highlight Reconciler
	 * 
	 * @since 3.0
	 */
	private void installSemanticReconciler() {
		if (fSemanticManager == null) {
			fSemanticManager= new SemanticHighlightingManager();
			IPresentationReconciler backgroundPresentationReconciler= getSourceViewerConfiguration().getPresentationReconciler(getSourceViewer());
			fSemanticManager.install((CompilationUnitEditor)this, getSourceViewer(), JavaPlugin.getDefault().getJavaTextTools().getColorManager(), getPreferenceStore(), (PresentationReconciler)backgroundPresentationReconciler);
		}
	}
	
	/**
	 * Uninstall the Semantic Highlight Reconciler
	 * 
	 * @since 3.0
	 */
	private void uninstallSemanticReconciler() {
		if (fSemanticManager != null) {
			fSemanticManager.uninstall();
			fSemanticManager= null;
		}
	}
	
	/**
	 * Returns the Java element wrapped by this editors input.
	 * 
	 * @return the Java element wrapped by this editors input.
	 * @since 3.0
	 */