Moved the contextmenu webview API to stable, and removed the experimental API infrastructure.

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

Index: extensions/renderer/resources/guest_view/web_view/web_view_experimental.js
diff --git a/extensions/renderer/resources/guest_view/web_view/web_view_experimental.js b/extensions/renderer/resources/guest_view/web_view/web_view_experimental.js
deleted file mode 100644
index 04299e93cbe22f99c6fa51d905da2b4b02cd85b5..0000000000000000000000000000000000000000
--- a/extensions/renderer/resources/guest_view/web_view/web_view_experimental.js
+++ /dev/null
@@ -1,22 +0,0 @@
-// 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 experimental API for <webview>.
-// See web_view.js and web_view_api_methods.js for details.
-//
-// <webview> Experimental API is only available on canary and dev channels of
-// Chrome.
-
-var WebViewImpl = require('webView').WebViewImpl;
-var WebViewInternal = require('webViewInternal').WebViewInternal;
-
-// An array of <webview>'s experimental API methods. See |WEB_VIEW_API_METHODS|
-// in web_view_api_methods.js for more details.
-var WEB_VIEW_EXPERIMENTAL_API_METHODS = [
-];
-
-// Registers the experimantal WebVIew API when available.
-WebViewImpl.maybeGetExperimentalApiMethods = function() {
-  return WEB_VIEW_EXPERIMENTAL_API_METHODS;
-};