DevTools does not show experimental Coverage Panel for Node.js

BUG=702498

Review-Url: https://codereview.chromium.org/2753063003
Cr-Commit-Position: refs/heads/master@{#457735}

third_party/WebKit/Source/devtools/front_end/inspector.json

@@ -42,7 +42,7 @@
         { "name": "sass", "condition": "!v8only" },
         { "name": "accessibility", "condition": "!v8only", "type": "remote" },
         { "name": "animation", "condition": "!v8only" },
-        { "name": "coverage", "condition": "!v8only" },
+        { "name": "coverage" },
         { "name": "screencast", "condition": "remoteFrontend", "type": "remote" },
         { "name": "emulated_devices", "condition": "!v8only" , "type": "remote" },
         { "name": "perf_ui" },