| Index: third_party/WebKit/Source/devtools/protocol.json | 
| diff --git a/third_party/WebKit/Source/devtools/protocol.json b/third_party/WebKit/Source/devtools/protocol.json | 
| index bb97598aa6fdd216a6dd6de4c57a55c0794a6d3c..544696b725f7797d17a988934ce3a29744302712 100644 | 
| --- a/third_party/WebKit/Source/devtools/protocol.json | 
| +++ b/third_party/WebKit/Source/devtools/protocol.json | 
| @@ -3940,6 +3940,15 @@ | 
| ], | 
| "hidden": true, | 
| "description": "Removes AsyncOperation breakpoint." | 
| +            }, | 
| +            { | 
| +                "name": "setSourceMapContent", | 
| +                "parameters": [ | 
| +                    { "name": "scriptId", "$ref": "ScriptId", "description": "Identifier of the script." }, | 
| +                    { "name": "content", "type": "string", "description": "Source map's content."} | 
| +                ], | 
| +                "hidden": true, | 
| +                "description": "Set source map's content on backend." | 
| } | 
| ], | 
| "events": [ | 
|  |