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
}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.window.Window#getInitialSize()
	 */
	protected Point getInitialSize() {
		Point result = super.getInitialSize();
		if (persistSize) {
			IDialogSettings settings = getDialogSettings();
			if (settings != null) {
				try {
					int width = settings.getInt(getClass().getName()
							+ DIALOG_WIDTH);
					int height = settings.getInt(getClass().getName()
							+ DIALOG_HEIGHT);
					result = new Point(width, height);
				} catch (NumberFormatException e) {
				}
			}
		}
		
		
		return result;
	}
	/**
	 * Adjust the bounds of the popup as necessary prior to opening the dialog.
	 * Default is to do nothing, which honors any bounds set directly by clients
	 * or those that have been saved in the dialog settings. Subclasses should
	 * override this method when there are bounds computations that must be