| Index: Source/devtools/front_end/CSSStyleModel.js
|
| diff --git a/Source/devtools/front_end/CSSStyleModel.js b/Source/devtools/front_end/CSSStyleModel.js
|
| index e83204509a24e566cc538952693d9706490aeecb..b165d6ea16da68cc3cb00ddddc2d98bda1839b8a 100644
|
| --- a/Source/devtools/front_end/CSSStyleModel.js
|
| +++ b/Source/devtools/front_end/CSSStyleModel.js
|
| @@ -459,6 +459,8 @@ WebInspector.CSSStyleModel.prototype = {
|
| {
|
| var header = this._styleSheetIdToHeader[id];
|
| console.assert(header);
|
| + if (!header)
|
| + return;
|
| delete this._styleSheetIdToHeader[id];
|
| var url = header.resourceURL();
|
| var frameIdToStyleSheetIds = this._styleSheetIdsForURL[url];
|
|
|