Move chrome.usb to //extensions

extensions/common/api/_permission_features.json

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This features file defines permissions for extension APIs implemented
 // under src/extensions.
 
 // See extensions/common/features/* to understand this file, in particular
 // feature.h, simple_feature.h, and base_feature_provider.h.
 
@@ skipping 35 matching lines @@
         // used to try to provide suggestions on how to fix connection issues.
         // It should be the only non-app allowed to use the socket API.
         "32A1BA997F8AB8DE29ED1BA94AAF00CF2A3FEFA7"
       ]
     }
   ],
   "storage": {
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app", "platform_app"],
     "min_manifest_version": 2
-  }
+  },
+  "usb": [
+    {
+      "channel": "stable",
+      "extension_types": ["platform_app"]
+    },
+    {
+      "channel": "stable",
+      "extension_types": ["extension"],
+      "whitelist": [
+        "496B6890097EB6E19809ADEADD095A8721FBB2E0",  // FIDO U2F APIs
+        "E24F1786D842E91E74C27929B0B3715A4689A473"   // CryptoToken
+      ]
+    }
+  ],
+  "usbDevices": [
+    {
+      "channel": "stable",
+      "extension_types": ["platform_app"]
+    },
+    {
+      "channel": "stable",
+      "extension_types": ["extension"],
+      "whitelist": [
+        "496B6890097EB6E19809ADEADD095A8721FBB2E0",  // FIDO U2F APIs
+        "E24F1786D842E91E74C27929B0B3715A4689A473"   // CryptoToken
+      ]
+    }
+  ]
 }