TinyMCE: check if wp.mce.views exists before loading the wpview plugin. Fixes a js error when the rest of the media scripts are not loaded.

Fixes #36977.
Built from https://develop.svn.wordpress.org/trunk@37597

Author: azaozz

wp-includes/js/tinymce/plugins/wpview/plugin.js

@@ -5,7 +5,7 @@
 	tinymce.PluginManager.add( 'wpview', function( editor ) {
 		function noop () {}
 
-		if ( ! wp || ! wp.mce ) {
+		if ( ! wp || ! wp.mce || ! wp.mce.views ) {
 			return {
 				getView: noop
 			};

wp-includes/js/tinymce/plugins/wpview/plugin.min.js

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-alpha-37596';
+$wp_version = '4.6-alpha-37597';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.