Implement <webview>.addContentScript/removeContentScript API [3]

extensions/common/api/web_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": "webViewInternal",
     "description": "none",
     "compiler_options": {
       "implemented_in": "extensions/browser/api/guest_view/web_view/web_view_internal_api.h"
@@ skipping 118 matching lines @@
             "items": { "type": "string"},
             "optional": true,
             "description": "The list of CSS files to be injected into matching pages. These are injected in the order they appear in this array, before any DOM is constructed or displayed for the page."
           },
           "js": {
             "type": "array",
             "items": { "type": "string"},
             "optional": true,
             "description": "The list of JavaScript files to be injected into matching pages. These are injected in the order they appear in this array."
           },
+          "code": {
+            "type": "string",
+            "optional": true,
+            "description": "The list of JavaScript code to be injected into matching pages. These are injected in the order they appear in this array."
+          },
           "run_at": {
             "$ref": "RunLocation",
             "optional": true,
             "description": "The soonest that the JavaScript or CSS will be injected into the tab. Defaults to \"document_idle\"."
           },
           "all_frames": {
             "type": "boolean",
             "optional": true,
             "description": "If allFrames is <code>true</code>, implies that the JavaScript or CSS should be injected into all frames of current page. By default, it's <code>false</code> and is only injected into the top frame."
           },
@@ skipping 548 matching lines @@
             "type": "function",
             "description": "Called when deletion has completed.",
             "optional": true,
             "parameters": []
           }
         ]
       }
     ]
   }
 ]