lib/Ext/Component.js
function(newHtmlCls, oldHtmlCls) {
        var innerHtmlElement = this.innerHtmlElement,
            innerElement = this.innerElement;

        if (this.getStyleHtmlContent() && oldHtmlCls) {
            if (innerHtmlElement) {
                innerHtmlElement.replaceCls(oldHtmlCls, newHtmlCls);
            } else {
                innerElement.replaceCls(oldHtmlCls, newHtmlCls);
            }
        }
    }
function(newHtmlCls, oldHtmlCls) {
        var innerHtmlElement = this.innerHtmlElement,
            innerElement = this.innerElement;

        if (this.getStyleHtmlContent() && oldHtmlCls) {
            if (innerHtmlElement) {
                innerHtmlElement.replaceCls(oldHtmlCls, newHtmlCls);
            } else {
                innerElement.replaceCls(oldHtmlCls, newHtmlCls);
            }
        }
    }
function ( newHtmlCls , oldHtmlCls ) { var innerHtmlElement = this . innerHtmlElement , innerElement = this . innerElement ; if ( this . getStyleHtmlContent ( ) && oldHtmlCls ) { if ( innerHtmlElement ) { innerHtmlElement . replaceCls ( oldHtmlCls , newHtmlCls ) ; } else { innerElement . replaceCls ( oldHtmlCls , newHtmlCls ) ; } } }
Updates the {@link #styleHtmlCls} configuration
Updates the {