[debug] introduce precise binary code coverage.

src/inspector/js_protocol.json

Index: src/inspector/js_protocol.json
diff --git a/src/inspector/js_protocol.json b/src/inspector/js_protocol.json
index 0668b7edddfad6301215950a1f7146bc09d6c667..1b4e1c15764009f8ad1e9e78374d1753ed5dd714 100644
--- a/src/inspector/js_protocol.json
+++ b/src/inspector/js_protocol.json
@@ -902,6 +902,9 @@
             },
             {
                 "name": "startPreciseCoverage",
+                "parameters": [
+                    { "name": "binary", "type": "boolean", "optional": true, "description": "Collect binary information of 'covered' or 'not covered' instead of accurate call counts." }
+                ],
                 "description": "Enable precise code coverage. Coverage data for JavaScript executed before enabling precise code coverage may be incomplete. Enabling prevents running optimized code and resets execution counters.",
                 "experimental": true
             },