Move extensions manifest handler for OAuth2 to //extensions

extensions/common/api/_manifest_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 manifest keys implemented under src/extensions.
 // 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",
+    "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
   // there is a need for additional whitelisted entries, the feature system
   // should instead be extended to support OR-ing of restrictions.
   "app.content_security_policy": {
     "channel": "stable",
     "extension_types": ["platform_app"],
     "min_manifest_version": 2,
     "whitelist": [
@@ skipping 92 matching lines @@
     {
       "channel": "stable",
       "extension_types": ["extension", "legacy_packaged_app"]
     },
     {
       "channel": "stable",
       "extension_types": ["platform_app"],
       "location": "component"
     }
   ],
+  "key": {
+    "channel": "stable",
+    "extension_types": "all"
+  },
   "kiosk_enabled": {
     "channel": "stable",
     "extension_types": [
       "platform_app"
     ]
   },
   "kiosk_only": {
     "channel": "dev",
     "extension_types": [
       "platform_app"
@@ skipping 16 matching lines @@
   "nacl_modules": {
     "channel": "stable",
     "extension_types": [
       "extension", "legacy_packaged_app", "hosted_app", "platform_app"
     ]
   },
   "name": {
     "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": [
       "extension", "legacy_packaged_app", "hosted_app", "platform_app"
     ]
   },
   "options_ui": {
     "channel": "trunk",
     "extension_types": ["extension", "legacy_packaged_app"]
   },
@@ skipping 24 matching lines @@
       "extension_types": ["platform_app"],
       "location": "component"
     }
   ],
   "webview": {
     "channel": "stable",
     "extension_types": ["platform_app"],
     "min_manifest_version": 2
   }
 }