Bug 117601 [Undo] - update org.eclipse.core.commands.operations to use new equinox common utils
org.eclipse.core.commands.operations.DefaultOperationHistory - synchronizes its own listener list org.eclipse.core.commands.internal.util. - implements its own Assert. These should be updated to use the new support in org.eclipse.equinox.common
bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/operations/DefaultOperationHistory.java
}
		}
		return operation.getContexts().length > 0;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.core.commands.operations.IOperationHistory#dispose(org.eclipse.core.commands.operations.IUndoContext,
	 *      boolean, boolean, boolean)
	 */
	public void dispose(IUndoContext context, boolean flushUndo,
			boolean flushRedo, boolean flushContext) {
		
		
		if (flushContext) {
			if (DEBUG_OPERATION_HISTORY_DISPOSE) {
				System.out.print("OPERATIONHISTORY >>> Flushing context ");  
				System.out.print(context);
				System.out.println();
			}
			flushUndo(context);
			flushRedo(context);
			limits.remove(context);
			return;
		}
		if (flushUndo)
			flushUndo(context);
		if (flushRedo)
			flushRedo(context);
	}