Bug 317470 Minimized 'Outline' view has non-white background on restart
1. Minimize the 'Outline' view. 2. Close Eclipse. 3. Start Eclipse. 4. Restore the 'Outline' view. 5. Its background colour is grey instead of white.
bundles/org.eclipse.e4.ui.workbench.swt/src/org/eclipse/e4/ui/internal/workbench/swt/PartRenderingEngine.java
if (se.getWidget() instanceof Control) {
						Control ctrl = (Control) se.getWidget();
						ctrl.dispose();
					}
				}
			}
		}
		MUIElement parent = element.getParent();
		AbstractPartRenderer parentRenderer = parent != null ? getRendererFor(parent)
				: null;
		if (parentRenderer != null) {
			parentRenderer.hideChild(element.getParent(), element);
		}
		AbstractPartRenderer renderer = getRendererFor(element);
		if (renderer != null) {
			renderer.disposeWidget(element);
		}
		
		if (element instanceof MContribution) {
			
			
			
			
			
			
			
			
			
			
			((MContribution) element).setObject(null);