Fix the clipboard feature spec.

extensions/common/api/_api_features.json

Index: extensions/common/api/_api_features.json
diff --git a/extensions/common/api/_api_features.json b/extensions/common/api/_api_features.json
index 16ef286b80ca22fd1d3680ca25d898853ec3c922..a3730f8896ddd1519c17fee15ef12baef8b739b7 100644
--- a/extensions/common/api/_api_features.json
+++ b/extensions/common/api/_api_features.json
@@ -151,13 +151,12 @@
     "contexts": ["blessed_extension"]
   },
   "clipboard": [{

[Devlin, 2016/07/20 22:40:31]

features that have only one entry should not be a list, but rather a dictionary
(so remove the [] around the definition).

[jennyz, 2016/07/20 23:22:48]

Done.

+    "channel": "dev",

[Devlin, 2016/07/20 22:40:31]

the clipboard permission is already restricted to dev channel, so you don't need
to specify that here as well.  Ditto for extension_types.

[jennyz, 2016/07/20 23:22:48]

Done.

     "dependencies": ["permission:clipboard", "permission:clipboardRead"],
     "contexts": ["blessed_extension"],
-    "platforms": ["chromeos"]
-  }, {
-    "channel": "dev",
+    "platforms": ["chromeos"],

[Devlin, 2016/07/20 22:40:31]

Though there's no rule behind it, we typically put high-level, API-wide
restrictions like platforms, extension types, and channel in the
_permissions_features.json file, and then depend on that here.  Please move this
restriction to that file.  (Note there is an exception if a specific API method
is only available on a certain platform, as is the case with e.g. the
bluetoothLowEnergy entries above.)

[jennyz, 2016/07/20 23:22:48]

Done.

     "extension_types": ["platform_app"]
-  }],  
+  }],
   "declarativeWebRequest": {
     "dependencies": ["permission:declarativeWebRequest"],
     "contexts": ["blessed_extension"]