TinyMCE: do not trigger `execCommand` on loading, it focuses the editor in Chrome.

Fixes #37243.
Built from https://develop.svn.wordpress.org/trunk@37927


git-svn-id: http://core.svn.wordpress.org/trunk@37868 1a063a9b-81f0-0310-95a4-ce76da25c4cd

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

@@ -569,7 +569,7 @@
 						toolbar.$el.find( '.wp-link-preview a' ).removeClass( 'wplink-url-error' ).attr( 'title', null );
 					}
 				}
-			} else {
+			} else if ( editToolbar.visible() ) {
 				editor.execCommand( 'wp_link_cancel' );
 			}
 		} );

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-beta1-37926';
+$wp_version = '4.6-beta1-37927';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.