function contentObject( dialog, contentDefinition )
	{
		this._ =
		{
			dialog : dialog
		};

		CKEDITOR.tools.extend( this, contentDefinition );
	}
This class is not really part of the API. It is the template of the
objects representing content pages inside the
CKEDITOR.dialog.dialogDefinitionObject.
@constructor
@name CKEDITOR.dialog.contentDefinitionObject
@example
CKEDITOR.on( 'dialogDefinition', function( evt )
	{
		var definition = evt.data.definition;
		var content = definition.getContents( 'page1' );
		content.remove( 'textInput1' );
		...
	} );