Move guest_view_internal_api to extensions.

extensions/common/api/guest_view_internal.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.
 
 [
   {
     "namespace": "guestViewInternal",
     "compiler_options": {
-      "implemented_in": "chrome/browser/extensions/api/guest_view/guest_view_internal_api.h"
+      "implemented_in": "extensions/browser/api/guest_view/guest_view_internal_api.h"
     },
     "description": "none",
     "types": [
       {
         "id": "Size",
         "type": "object",
         "properties": {
           "width": {
             "type": "integer"
           },
@@ skipping 57 matching lines @@
           },
           {
             "$ref": "AutoSizeParams",
             "name": "params"
           }
         ]
       }
     ]
   }
 ]