[inspector] added length for scriptParsed notification

test/inspector/runtime/es6-module-expected.txt

Index: test/inspector/runtime/es6-module-expected.txt
diff --git a/test/inspector/runtime/es6-module-expected.txt b/test/inspector/runtime/es6-module-expected.txt
index 1f397f3454e25bc14909eb5830234ca87e06ce76..2c812b12bc82883b788fdd4378e3c751d89273a6 100644
--- a/test/inspector/runtime/es6-module-expected.txt
+++ b/test/inspector/runtime/es6-module-expected.txt
@@ -9,6 +9,7 @@ Checks basic ES6 modules support.
         hash : 9C014F7249BAFA12B91017817AD15091D01A9155
         isLiveEdit : false
         isModule : true
+        length : 83
         scriptId : <scriptId>
         sourceMapURL : 
         startColumn : 0
@@ -26,6 +27,7 @@ Checks basic ES6 modules support.
         hash : 443A2FA24A6112E6B9101781E6A19B56BDC396D4
         isLiveEdit : false
         isModule : true
+        length : 84
         scriptId : <scriptId>
         sourceMapURL : 
         startColumn : 0
@@ -43,6 +45,7 @@ Checks basic ES6 modules support.
         hash : 54D834614FBF9B389082DAE06CD3EFC499BEBF13
         isLiveEdit : false
         isModule : true
+        length : 191
         scriptId : <scriptId>
         sourceMapURL : 
         startColumn : 0
@@ -187,6 +190,7 @@ console.log(239)
         hasSourceURL : false
         hash : FF746120E4E4F1BA4CB5762843D429DC872EBA18
         isModule : true
+        length : 1
         scriptId : <scriptId>
         sourceMapURL : 
         startColumn : 0