B2G/gecko/browser/devtools/tilt/TiltVisualizer.jsm
/**
   * Calculates the current frame delta time.
   */
Calculates the current frame delta time.
Calculates the current frame delta time .
function TVP__handleFrameDelta()
  {
    this._prevFrameTime = this._currFrameTime;
    this._currFrameTime = this.chromeWindow.mozAnimationStartTime;
    this._delta = this._currFrameTime - this._prevFrameTime;
  }
function TVP__handleFrameDelta ( ) { this . _prevFrameTime = this . _currFrameTime ; this . _currFrameTime = this . chromeWindow . mozAnimationStartTime ; this . _delta = this . _currFrameTime - this . _prevFrameTime ; }
Calculates the current frame delta time.
Calculates the current frame delta time .