Split feature definitions into extensions and chrome features.

chrome/common/extensions/api/_api_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.
 
-// See c/c/e/features/* to understand this file, in particular feature.h,
-// simple_feature.h, and base_feature_provider.h.
+// This features file defines 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.
 //
 // Note that specifying "web_page", "blessed_web_page", or "all" as a context
 // type will require manually updating chrome/renderer/resources/dispatcher.cc.
 
 {
   "accessibilityFeatures": [{
     "platforms": ["chromeos"],
     "dependencies": ["permission:accessibilityFeatures.modify"],
     "contexts": ["blessed_extension"]
   }, {
@@ skipping 237 matching lines @@
   },
   "diagnostics": {
     "dependencies": ["permission:diagnostics"],
     "extension_types": ["platform_app"],
     "contexts": ["blessed_extension"]
   },
   "dial": {
     "dependencies": ["permission:dial"],
     "contexts": ["blessed_extension"]
   },
-  "dns": {
-    "dependencies": ["permission:dns"],
-    "contexts": ["blessed_extension"]
-  },
   "downloads": {
     "dependencies": ["permission:downloads"],
     "contexts": ["blessed_extension"]
   },
   "downloadsInternal": {
     "internal": true,
     "channel": "stable",
     "contexts": ["blessed_extension", "unblessed_extension", "content_script"]
   },
   "echoPrivate": {
@@ skipping 366 matching lines @@
     "contexts": ["blessed_extension"]
   },
   "sessions": {
     "dependencies": ["permission:sessions"],
     "contexts": ["blessed_extension"]
   },
   "signedInDevices": {
     "dependencies": ["permission:signedInDevices"],
     "contexts": ["blessed_extension"]
   },
-  "socket": {
-    "dependencies": ["permission:socket"],
-    "contexts": ["blessed_extension"]
-  },
-  "sockets.tcp": {
-    "dependencies": ["manifest:sockets"],
-    "contexts": ["blessed_extension"]
-  },
-  "sockets.tcpServer": {
-    "dependencies": ["manifest:sockets"],
-    "contexts": ["blessed_extension"]
-  },
-  "sockets.udp": {
-    "dependencies": ["manifest:sockets"],
-    "contexts": ["blessed_extension"]
-  },
-  "storage": {
-    "dependencies": ["permission:storage"],
-    "contexts": ["blessed_extension", "unblessed_extension", "content_script"]
-  },
   "streamsPrivate": {
     "dependencies": ["permission:streamsPrivate"],
     "contexts": ["blessed_extension"]
   },
   "syncFileSystem": {
     "dependencies": ["permission:syncFileSystem"],
     "contexts": ["blessed_extension"]
   },
   "systemIndicator": {
     "dependencies": ["manifest:system_indicator"],
@@ skipping 33 matching lines @@
   "tabs": {
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app"],
     "contexts": ["blessed_extension"]
   },
   "terminalPrivate": {
     "platforms": ["chromeos"],
     "dependencies": ["permission:terminalPrivate"],
     "contexts": ["blessed_extension"]
   },
-  "test": {
-    "internal": true,
-    "channel": "stable",
-    "extension_types": "all",
-    "contexts": ["blessed_extension", "unblessed_extension", "content_script"]
-  },
   "topSites": {
     "dependencies": ["permission:topSites"],
     "contexts": ["blessed_extension"]
   },
   "tts": {
     "dependencies": ["permission:tts"],
     "contexts": ["blessed_extension"]
   },
   "ttsEngine": {
     "dependencies": ["permission:ttsEngine"],
@@ skipping 74 matching lines @@
     "internal": true,
     "channel": "stable",
     "dependencies": ["permission:webview"],
     "contexts": ["blessed_extension"]
   },
   "windows": {
     "dependencies": ["api:tabs"],
     "contexts": ["blessed_extension"]
   }
 }