Bug 337002 EPartService leaks previously active part
A reference is kept to the previously active part. This is unnecessary. We only need it to fire events. After the deactivation events have been fired, we should no longer need to keep it lying around.
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/ui/internal/workbench/PartServiceImpl.java
return true;
		}
		if (confirm && saveHandler != null) {
			List<MPart> dirtyPartsList = Collections.unmodifiableList(new ArrayList<MPart>(
					dirtyParts));
			Save[] decisions = saveHandler.promptToSave(dirtyPartsList);
			for (Save decision : decisions) {
				if (decision == Save.CANCEL) {
					return false;
				}
			}
			for (int i = 0; i < decisions.length; i++) {
				if (decisions[i] == Save.YES) {
					if (!savePart(dirtyPartsList.get(i), false)) {
						return false;
					}
				}
			}
			return true;
		}
		for (MPart dirtyPart : dirtyParts) {
			if (!savePart(dirtyPart, false)) {
				return false;
			}
		}
		return true;
	}
	public Collection<MInputPart> getInputParts(String inputUri) {
		Assert.isNotNull(inputUri, "Input uri must not be null"); 
		Collection<MInputPart> rv = new ArrayList<MInputPart>();