TinyMCE: remove the `srcset` and `sizes` attributes (if any) after replacing or editing an image.

See #35434.
Built from https://develop.svn.wordpress.org/trunk@36376


git-svn-id: http://core.svn.wordpress.org/trunk@36343 1a063a9b-81f0-0310-95a4-ce76da25c4cd

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

@@ -353,6 +353,7 @@ tinymce.PluginManager.add( 'wpeditimage', function( editor ) {
 	function updateImage( imageNode, imageData ) {
 		var classes, className, node, html, parent, wrap, linkNode,
 			captionNode, dd, dl, id, attrs, linkAttrs, width, height, align,
+			$imageNode, srcset, src,
 			dom = editor.dom;
 
 		classes = tinymce.explode( imageData.extraClasses, ' ' );
@@ -488,6 +489,19 @@ tinymce.PluginManager.add( 'wpeditimage', function( editor ) {
 			dom.remove( captionNode );
 		}
 
+		$imageNode = editor.$( imageNode );
+		srcset = $imageNode.attr( 'srcset' );
+		src = $imageNode.attr( 'src' );
+
+		// Remove srcset and sizes if the image file was edited or the image was replaced.
+		if ( srcset && src ) {
+			src = src.replace( /[?#].*/, '' );
+
+			if ( srcset.indexOf( src ) === -1 ) {
+				$imageNode.attr( 'srcset', null ).attr( 'sizes', null );
+			}
+		}
+
 		if ( wp.media.events ) {
 			wp.media.events.trigger( 'editor:image-update', {
 				editor: editor,

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-alpha-36375';
+$wp_version = '4.5-alpha-36376';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.