Move chrome.alarms API from chrome/ to extensions/.

chrome/common/extensions/api/_permission_features.json

 // Copyright (c) 2012 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 permissions for extension APIs implemented
 // under src/chrome.
 // 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:
@@ skipping 33 matching lines @@
     "channel": "stable",
     "extension_types": ["extension", "platform_app"],
     "whitelist": [
       "EE17C698905F7F2E6DDC87C9C30F11E164C829F4",  // Watchdog release
       "90113DA9516526D24DAF156C629CC41C049E8882",  // Watchdog testing
       "A9EFD71948A480C87D3B7C758FD938215F445F00",   // Obsolete
       "AE27D69DBE571F4B1694F05C89B710C646792231", // Published ADT.
       "5107DE9024C329EEA9C9A72D94C16723790C6422"  // Apps Developer Tool Dev.
     ]
   },
-  "alarms": {
-    "channel": "stable",
-    "extension_types": ["extension", "legacy_packaged_app", "platform_app"],
-    "min_manifest_version": 2
-  },
   "autotestPrivate": {
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app"],
     "location": "component"
   },
   "background": {
     "channel": "stable",
     "extension_types": [
       "platform_app", "extension", "legacy_packaged_app", "hosted_app"
     ]
@@ skipping 928 matching lines @@
   "webstorePrivate": {
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app", "hosted_app"],
     "whitelist": [
       "B44D08FD98F1523ED5837D78D0A606EA9D6206E5",  // Web Store
       "2653F6F6C39BC6EEBD36A09AFB92A19782FF7EB4",  // Enterprise Web Store
       "2779FA8B45841D61A37207CCFAC9CB393964FE5B"   // Login Proxy (prototype)
     ]
   }
 }