DevTools: Blackbox content scripts - backend support.

Source/devtools/protocol.json

Index: Source/devtools/protocol.json
diff --git a/Source/devtools/protocol.json b/Source/devtools/protocol.json
index f2c17653080960fc580a2ab333a40fbffddd6714..bbaaea238a9be6bd63875df4a426f3e21fd5522c 100644
--- a/Source/devtools/protocol.json
+++ b/Source/devtools/protocol.json
@@ -3396,7 +3396,8 @@
             {
                 "name": "skipStackFrames",
                 "parameters": [
-                    { "name": "script", "optional": true, "type": "string", "description": "Regular expression defining the scripts to ignore while stepping." }
+                    { "name": "script", "type": "string", "optional": true, "description": "Regular expression defining the scripts to ignore while stepping." },
+                    { "name": "skipContentScripts", "type": "boolean", "optional": true, "description": "True, if all content scripts should be ignored." }
                 ],
                 "hidden": true,
                 "description": "Makes backend skip steps in the sources with names matching given pattern. VM will try leave blacklisted scripts by performing 'step in' several times, finally resorting to 'step out' if unsuccessful."