Prevent chrome.app JSON schema from loading on every page

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.
 
 {
+  "app": {
+    "channel": "stable",
+    "extension_types": ["hosted_app", "extension", "packaged_app"],
+    "contexts": [
+      "blessed_extension", "unblessed_extension", "content_script", "web_page"
+    ],
+    "matches": [
+      "http://*/*", "https://*/*", "chrome-extension://*/*", "file://*/*"
+    ]
+  },
+  "app.runtime": {
+    "channel": "stable",
+    "contexts": ["blessed_extension"],
+    "dependencies": ["permission:app.runtime"]
+  },
+  "app.window": {
+    "channel": "stable",
+    "contexts": ["blessed_extension"],
+    "dependencies": ["permission:app.window"]
+  },
   "app.currentWindowInternal": {
     "internal": true,
     "channel": "stable",
     "contexts": ["blessed_extension", "unblessed_extension", "content_script"]
   },
   "bookmarks": {
     "channel": "stable",
     "dependencies": ["permission:bookmarks"],
     "contexts": ["blessed_extension"]
   },
   "downloadsInternal": {
     "internal": true,
     "channel": "stable",
     "contexts": ["blessed_extension", "unblessed_extension", "content_script"]
   },
   "events": {
     "internal": true,
     "channel": "stable",
-    "contexts": ["blessed_extension", "unblessed_extension", "content_script", "web_page"],
+    "contexts": [
+      "blessed_extension", "unblessed_extension", "content_script", "web_page"
+    ],
     "matches": ["<all_urls>"]
   },
   "fileBrowserHandlerInternal": {
     "internal": true,
     "channel": "stable",
     "contexts": ["blessed_extension", "unblessed_extension", "content_script"]
   },
   "webRequestInternal": {
     "internal": true,
     "channel": "stable",
     "contexts": ["blessed_extension", "unblessed_extension", "content_script"]
   },
   "webstore": {
     // Hosted apps can use the webstore API from within a blessed context.
     "channel": "stable",
     "extension_types": ["hosted_app"],
     "contexts": ["blessed_extension", "web_page"],
     // Any webpage can use the webstore API.
-    "matches": [ "http://*/*", "https://*/*" ]
+    "matches": ["http://*/*", "https://*/*"]
   }
 }