Bug 220767 [Dialogs] PopupDialog's HOVER_SHELLSTYLE should use SWT.TOOL
3.3.x and 3.4 M5. The SWT.TOOL flag should be used to create hover style shells, hence the PopupDialog's HOVER_SHELLSTYLE should use SWT.TOOL.
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/PopupDialog.java
ResizeAction() {
			super(JFaceResources.getString("PopupDialog.resize"), 
					IAction.AS_PUSH_BUTTON);
		}
		/*
		 * @see org.eclipse.jface.action.Action#run()
		 */
		public void run() {
			performTrackerAction(SWT.RESIZE);
		}
	}
	/**
	 * 
	 * Remember bounds action for the dialog.
	 */
	private class PersistSizeAction extends Action {