js/libs/ember-1.5.1.js
function(path) {
    var state = { path: path };

    get(this, 'history').replaceState(state, null, path);

    // store state if browser doesn't support `history.state`
    if (!supportsHistoryState) {
      this._historyState = state;
    }

    // used for webkit workaround
    this._previousURL = this.getURL();
  }
function(path) {
    var state = { path: path };

    get(this, 'history').replaceState(state, null, path);

    // store state if browser doesn't support `history.state`
    if (!supportsHistoryState) {
      this._historyState = state;
    }

    // used for webkit workaround
    this._previousURL = this.getURL();
  }
Replaces the current state.

@private
@method replaceState
@param path {String}