Move chrome.diagnostics API 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 231 matching lines @@
       "E24F1786D842E91E74C27929B0B3715A4689A473"  // Cryptotoken
     ]
   },
   "dataReductionProxy": {
     "channel": "stable",
     "extension_types": ["extension"],
     "whitelist": [
       "852290F2442EEE45EF673B8DA6090112079012A2"   // http://crbug.com/375484
     ]
   },
-  "diagnostics": [
-    {
-      "channel": "dev",
-      "extension_types": ["platform_app"]
-    },
-    {
-      "channel": "stable",
-      "extension_types": ["platform_app"],
-      "whitelist": [
-        "7AE714FFD394E073F0294CFA134C9F91DB5FBAA4",  // CCD Development
-        "C7DA3A55C2355F994D3FDDAD120B426A0DF63843",  // CCD Testing
-        "75E3CFFFC530582C583E4690EF97C70B9C8423B7"   // CCD Release
-      ]
-    }
-  ],
   "debugger": [
     {
       "channel": "stable",
       "extension_types": ["extension", "legacy_packaged_app"]
     },
     {
       "channel": "stable",
       "extension_types": ["platform_app"],
       "whitelist": [
         "AE27D69DBE571F4B1694F05C89B710C646792231", // Published ADT.
@@ skipping 715 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)
     ]
   }
 }