Bug 88838 [Undo] - API cleanup - remove IContextConsultingOperationApprover
Early on this was involved in scenarios where editors examined other operations. This is no longer used. Operation approvers generally apply to all contexts and are installed at the OperationHistory level. Until there is a concrete need for this API it should be removed. It is gratuitous at this point.
bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/operations/DefaultOperationHistory.java
}
		
		if (flushUndo)
			flushUndo(context);
		if (flushRedo)
			flushRedo(context);
	}
	/**
	 * Perform the redo. All validity checks have already occurred.
	 * 
	 * @param monitor
	 * @param operation
	 */
	protected IStatus doRedo(IProgressMonitor monitor, IAdaptable info, IUndoableOperation operation,
			boolean flushOnError) throws ExecutionException{
		IStatus status = getRedoApproval(operation, info);
		if (status.isOK()) {
			notifyAboutToRedo(operation);
			try {
				status = operation.redo(monitor, info);
			} catch (OperationCanceledException e) {
				status = Status.CANCEL_STATUS;
			} catch (ExecutionException e) {
				notifyNotOK(operation);
				if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {
					System.out.print("OPERATIONHISTORY >>> ExecutionException while redoing ");  
					System.out.print(operation);
					System.out.println();
				}
				throw e;