Bug 328339 Part activation history seems to ignore detached windows
1. Detach a view. 2. Drag another view into said detached window. 3. Activate the two views alternatively. 4. Close one of them. 5. A part in the workbench window is activated instead of the other view in the detached window.
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/application/EPartServiceTest.java
public void testSaveAll_NoHandlers_T_TT_TF() {
		testSaveAll_NoHandlers(true, new boolean[] { true, true },
				new boolean[] { true, false });
	}
	public void testSaveAll_NoHandlers_T_TT_FT() {
		testSaveAll_NoHandlers(true, new boolean[] { true, true },
				new boolean[] { false, true });
	}
	public void testSaveAll_NoHandlers_T_TT_FF() {
		testSaveAll_NoHandlers(true, new boolean[] { true, true },
				new boolean[] { false, false });
	}
	public void testSaveAll_NoHandlers_T_TF_TT() {
		testSaveAll_NoHandlers(true, new boolean[] { true, false },
				new boolean[] { true, true });
	}
	public void testSaveAll_NoHandlers_T_TF_TF() {
		testSaveAll_NoHandlers(true, new boolean[] { true, false },
				new boolean[] { true, false });
	}
	public void testSaveAll_NoHandlers_T_TF_FT() {
		testSaveAll_NoHandlers(true, new boolean[] { true, false },
				new boolean[] { false, true });
	}
	public void testSaveAll_NoHandlers_T_TF_FF() {
		testSaveAll_NoHandlers(true, new boolean[] { true, false },
				new boolean[] { false, false });
	}
	public void testSaveAll_NoHandlers_T_FT_TT() {
		testSaveAll_NoHandlers(true, new boolean[] { false, true },