[inspector] added length for scriptParsed notification

test/inspector/debugger/script-parsed-for-runtime-evaluate-expected.txt

Index: test/inspector/debugger/script-parsed-for-runtime-evaluate-expected.txt
diff --git a/test/inspector/debugger/script-parsed-for-runtime-evaluate-expected.txt b/test/inspector/debugger/script-parsed-for-runtime-evaluate-expected.txt
index cc91a65dec7d5b30bd4e0096ba8fde85e313e7d9..e5eb11ef00e10de617a80eab4db1edfaad050644 100644
--- a/test/inspector/debugger/script-parsed-for-runtime-evaluate-expected.txt
+++ b/test/inspector/debugger/script-parsed-for-runtime-evaluate-expected.txt
@@ -10,6 +10,7 @@ Runtime.evaluate with valid expression
         hash : 9D04F7335D1661503EAB9AF3EACAF92020803F34
         isLiveEdit : false
         isModule : false
+        length : 29
         scriptId : <scriptId>
         sourceMapURL : 
         startColumn : 0
@@ -27,6 +28,7 @@ Runtime.evaluate with syntax error
         hasSourceURL : true
         hash : 9BCA34A10E5386925E74C1716C857BEB02821E15
         isModule : false
+        length : 39
         scriptId : <scriptId>
         sourceMapURL : 
         startColumn : 0
@@ -45,6 +47,7 @@ Runtime.callFunctionOn with valid functionDeclaration
         hash : 9D04CEA1B54DF92A01A0498543D429DC872EBA18
         isLiveEdit : false
         isModule : false
+        length : 18
         scriptId : <scriptId>
         sourceMapURL : 
         startColumn : 0
@@ -62,6 +65,7 @@ Runtime.callFunctionOn with syntax error
         hasSourceURL : false
         hash : 9D04D83251E2B7F64CB5762843D429DC872EBA18
         isModule : false
+        length : 3
         scriptId : <scriptId>
         sourceMapURL : 
         startColumn : 0
@@ -80,6 +84,7 @@ Runtime.compileScript with valid expression
         hash : 9D04F733E4E4F1BA4CB5762843D429DC872EBA18
         isLiveEdit : false
         isModule : false
+        length : 4
         scriptId : <scriptId>
         sourceMapURL : 
         startColumn : 0
@@ -97,6 +102,7 @@ Runtime.compileScript with syntax error
         hasSourceURL : false
         hash : FF746120E4E4F1BA4CB5762843D429DC872EBA18
         isModule : false
+        length : 1
         scriptId : <scriptId>
         sourceMapURL : 
         startColumn : 0