| Index: Source/WebCore/inspector/front-end/Settings.js | 
| =================================================================== | 
| --- Source/WebCore/inspector/front-end/Settings.js	(revision 134412) | 
| +++ Source/WebCore/inspector/front-end/Settings.js	(working copy) | 
| @@ -108,6 +108,7 @@ | 
| this.lastDockState = this.createSetting("lastDockState", ""); | 
| this.cssReloadEnabled = this.createSetting("cssReloadEnabled", false); | 
| this.cssReloadTimeout = this.createSetting("cssReloadTimeout", 1000); | 
| +    this.showMetricsRulers = this.createSetting("showMetricsRulers", false); | 
|  | 
| // If there are too many breakpoints in a storage, it is likely due to a recent bug that caused | 
| // periodical breakpoints duplication leading to inspector slowness. | 
|  |