DevTools: simplify setScriptSource and restartFrame return values

Source/devtools/protocol.json

 {
     "version": { "major": "1", "minor": "1" },
     "domains": [{
         "domain": "Inspector",
         "hidden": true,
         "types": [],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables inspector domain notifications.",
@@ skipping 3448 matching lines @@
             },
             {
                 "name": "setScriptSource",
                 "parameters": [
                     { "name": "scriptId", "$ref": "ScriptId", "description": "Id of the script to edit." },
                     { "name": "scriptSource", "type": "string", "description": "New content of the script." },
                     { "name": "preview", "type": "boolean", "optional": true, "description": " If true the change will not actually be applied. Preview mode may be used to get result description without actually modifying the code.", "hidden": true }
                 ],
                 "returns": [
                     { "name": "callFrames", "type": "array", "optional": true, "items": { "$ref": "CallFrame" }, "description": "New stack trace in case editing has happened while VM was stopped." },
-                    { "name": "result", "type": "object", "optional": true, "description": "VM-specific description of the changes applied.", "hidden": true },
+                    { "name": "stackChanged", "type": "boolean", "optional": true, "description": "Whether current call stack  was modified after applying the changes.", "hidden": true },
                     { "name": "asyncStackTrace", "$ref": "StackTrace", "optional": true, "description": "Async stack trace, if any.", "hidden": true }
                 ],
                 "error": {
                     "$ref": "SetScriptSourceError"
                 },
                 "description": "Edits JavaScript source live."
             },
             {
                 "name": "restartFrame",
                 "parameters": [
                     { "name": "callFrameId", "$ref": "CallFrameId", "description": "Call frame identifier to evaluate on." }
                 ],
                 "returns": [
                     { "name": "callFrames", "type": "array", "items": { "$ref": "CallFrame" }, "description": "New stack trace." },
-                    { "name": "result", "type": "object", "description": "VM-specific description." },
                     { "name": "asyncStackTrace", "$ref": "StackTrace", "optional": true, "description": "Async stack trace, if any." }
                 ],
                 "hidden": true,
                 "description": "Restarts particular call frame from the beginning."
             },
             {
                 "name": "getScriptSource",
                 "parameters": [
                     { "name": "scriptId", "$ref": "ScriptId", "description": "Id of the script to get source for." }
                 ],
@@ skipping 1582 matching lines @@
                 "description": "The security state of the page changed.",
                 "parameters": [
                     { "name": "securityState", "$ref": "SecurityState", "description": "Security state." },
                     { "name": "explanations", "type": "array", "items": { "$ref": "SecurityStateExplanation" }, "description": "List of explanations for the security state. If the overall security state is `insecure` or `warning`, at least one corresponding explanation should be included.", "optional": true }
                 ],
                 "handlers": ["browser"]
             }
         ]
     }]
 }