Moved the javascript files for each respective guest_view type into subdirectories of guest_view/ .

extensions/renderer/resources/guest_view/web_view/web_view_api_methods.js

 // 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.
 
 // This module implements the public-facing API functions for the <webview> tag.
 
 var WebViewInternal = require('webViewInternal').WebViewInternal;
 var WebViewImpl = require('webView').WebViewImpl;
 
 // An array of <webview>'s public-facing API methods. Methods without custom
@@ skipping 140 matching lines @@
   }
   WebViewInternal.overrideUserAgent(this.guest.getId(), userAgentOverride);
   return true;
 };
 
 // -----------------------------------------------------------------------------
 
 WebViewImpl.getApiMethods = function() {
   return WEB_VIEW_API_METHODS;
 };