Parse manifest file with app.service_worker.script.

chrome/common/extensions/api/_manifest_features.json

Index: chrome/common/extensions/api/_manifest_features.json
diff --git a/chrome/common/extensions/api/_manifest_features.json b/chrome/common/extensions/api/_manifest_features.json
index f077d78bb8ac51f106b5a547687cb9e3c8ba1575..6d8d5b9e82d823b066fce2bb0e7ae0e6290d6067 100644
--- a/chrome/common/extensions/api/_manifest_features.json
+++ b/chrome/common/extensions/api/_manifest_features.json
@@ -42,6 +42,10 @@
     "channel": "stable",
     "extension_types": ["legacy_packaged_app", "hosted_app"]
   },
+  "app.service_worker": {

[Jeffrey Yasskin, 2014/02/28 01:54:37]

Did we say something about defining this flag at the top level even for apps?

[scheib, 2014/02/28 04:16:07]

From the earlier email:
"""
On Tue, Feb 25, 2014 at 1:18 PM, Jeffrey Yasskin <jyasskin@google.com> wrote:
(a) seems totally fine.

On Tue, Feb 25, 2014 at 12:55 PM, Vincent Scheib <scheib@google.com> wrote:
Jeffrey, Ben and I chatted and we ended up with:

a) service_worker key appearing in multiple locations (top level for ext, under
app for v2 apps), but otherwise being identical. With the transition plan of
manifest-3 cleaning that up to a single location.
"""

+    "channel": "trunk",
+    "extension_types": ["platform_app"]
+  },
   "author": {
     "channel": "stable",
     "extension_types": "all"