Bug 88352 Operation supports leaks contexts via action handler
I20050315-1100 Susan, this is a different leak from the one that I reported. Test Case: 1. open text editor 2. close text editor ==> DefaultUndoManager is leaked due to undo/redo actions handlers still holding on to the context.
bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/operations/ObjectUndoContext.java
return object;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.core.commands.operations.IUndoContext#getOperationApprover()
	 */
	public IContextOperationApprover getOperationApprover() {
		return approver;
	}
	/**
	 * Set the IContextOperationApprover that approves the undo or redo of
	 * operations that have this context.
	 * 
	 * @param approver -
	 *            the operation approver to be used for this context
	 */
	public void setOperationApprover(IContextOperationApprover approver) {
		this.approver = approver;
	}
	/**
	 * Add the specified context as a match of this context. Contexts added as
	 * matches of this context will be interpreted as a match of this context
	 * when the history is filtered for a particular context. Adding a match
	 * allows components to create their own contexts for implementing
	 * specialized behavior, yet have their operations appear in the workbench
	 * filtered operations list.
	 * 
	 * @param context -
	 *            the context to be added as a match of this context