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.
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/application/EPartServiceTest.java
testSavePart(ISaveHandler.Save.YES, false, true, true);
	}
	public void testSavePart_YesFalseTrueFalse() {
		testSavePart(ISaveHandler.Save.YES, false, true, false);
	}
	public void testSavePart_YesFalseFalseTrue() {
		testSavePart(ISaveHandler.Save.YES, false, false, true);
	}
	public void testSavePart_YesFalseFalseFalse() {
		testSavePart(ISaveHandler.Save.YES, false, false, false);
	}
	public void testSavePart_NoTrueTrueTrue() {
		testSavePart(ISaveHandler.Save.NO, true, true, true);
	}
	public void testSavePart_NoTrueTrueFalse() {
		testSavePart(ISaveHandler.Save.NO, true, true, false);
	}
	public void testSavePart_NoTrueFalseTrue() {
		testSavePart(ISaveHandler.Save.NO, true, false, true);
	}
	public void testSavePart_NoTrueFalseFalse() {
		testSavePart(ISaveHandler.Save.NO, true, false, false);
	}
	public void testSavePart_NoFalseTrueTrue() {
		testSavePart(ISaveHandler.Save.NO, false, true, true);
	}
	public void testSavePart_NoFalseTrueFalse() {
		testSavePart(ISaveHandler.Save.NO, false, true, false);
	}
	public void testSavePart_NoFalseFalseTrue() {