Move extensions manifest handler for OAuth2 to //extensions

extensions/common/api/_manifest_features.json

Index: extensions/common/api/_manifest_features.json
diff --git a/extensions/common/api/_manifest_features.json b/extensions/common/api/_manifest_features.json
index badac8bef8a57a0b82a8f804d5db9ae565e2f9d2..77363a746e254185b36a45d8803f8fd7784b53a4 100644
--- a/extensions/common/api/_manifest_features.json
+++ b/extensions/common/api/_manifest_features.json
@@ -16,6 +16,10 @@
 // hashes back to ids.
 
 {
+  "app": {
+    "channel": "stable",
+    "extension_types": ["legacy_packaged_app", "hosted_app", "platform_app"]
+  },
   // The default platform app CSP can only be overridden by whitelisted apps.
   // This is a separate key from the top-level content_security_policy one since
   // we can't combine type restrictions with whitelisted ID restrictions. If
@@ -128,6 +132,10 @@
       "location": "component"
     }
   ],
+  "key": {
+    "channel": "stable",
+    "extension_types": "all"
+  },
   "kiosk_enabled": {
     "channel": "stable",
     "extension_types": [
@@ -164,6 +172,32 @@
     "channel": "stable",
     "extension_types": "all"
   },
+  "oauth2": {
+    "channel": "stable",
+    "extension_types": [
+      "extension", "legacy_packaged_app", "platform_app"
+    ]
+  },
+  "oauth2.auto_approve": {
+    "channel": "stable",
+    "extension_types": [
+      "extension", "platform_app"
+    ],
+    "whitelist": [
+      "mdbihdcgjmagbcapkhhkjbbdlkflmbfo",  // unit_tests
+      "pafkbggdmjlpgkdkcbjmhmfcdpncadgh",  // Google Now
+      "nmmhkkegccagdldgiimedpiccmgmieda",  // In-app payments support app.
+      "4B1D0E19C6C43C008C44A8278C8B5BFE15ABEB3C",
+      "F7FA7ABC1ECB89BA8EE6656847EFABBF43BB9BCA",
+      "1A26E32DE447A17CBE5E9750CDBA78F58539B39C",  // TODO(rockot): Kill these.
+      "E61F841D8210B6A9891E5384CB665FBED31FCD7B",  // http://crbug.com/281715
+
+      // TODO(joaodasilva): remove these two once we have the new policy to
+      // grant auto approval by ID. http://crbug.com/399392
+      "A8208CCC87F8261AFAEB6B85D5E8D47372DDEA6B",
+      "A4577D8C2AF4CF26F40CBCA83FFA4251D6F6C8F8"
+    ]
+  },
   "offline_enabled": {
     "channel": "stable",
     "extension_types": [