Enable file_handlers and chrome.app.runtime for QuickOffice.

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 4560f45784a5e4426f118c7303e98876465dbcdf..e4e22ef28f5d2af53e6a2f9b5b29630a092e5499 100644
--- a/chrome/common/extensions/api/_manifest_features.json
+++ b/chrome/common/extensions/api/_manifest_features.json
@@ -6,6 +6,15 @@
 // See extensions/common/features/* to understand this file, in particular
 // feature.h, simple_feature.h, and base_feature_provider.h.
 
+// To add a new whitelisted ID, SHA-1 it and force it to uppercase. In Bash:
+//
+// $ echo -n "aaaabbbbccccddddeeeeffffgggghhhh" | \
+// sha1sum | tr '[:lower:]' '[:upper:]'
+// 9A0417016F345C934A1A88F55CA17C05014EEEBA  -
+//
+// Google employees: please update http://go/chrome-api-whitelist to map
+// hashes back to ids.
+
 {
   "app": {
     "channel": "stable",
@@ -169,10 +178,19 @@
       "location": "component"
     }
   ],
-  "file_handlers": {
+  "file_handlers": [
+  {
     "channel": "stable",
     "extension_types": ["platform_app"]
-  },
+  }, {
+    "channel": "stable",
+    "extension_types": [ "extension"],
+    "whitelist": [
+      "gbkeegbaiigmenfmjfclcdgdpimamgkj",  // QuickOffice
+      "ionpfmkccalenbmnddpbmocokhaknphg",  // QuickOffice Dev
+      "bpmcpldpdmajfigpchkicefoigmkfalc"   // Quickoffice component extension
+    ]
+  }],
   "homepage_url": {
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app"]