Ticket #32783: 32783.3.diff

src/wp-admin/js/customize-controls.js

@@ -2346 +2346 @@
                                 api.HeaderTool.UploadsList,
                                 api.HeaderTool.DefaultsList
                         ]);
+
+                        //Add extra params to doCrop args for customizer
+                        wp.media.controller.Cropper.prototype.defaults.doCropArgs.wp_customize = 'on';
+                        wp.media.controller.Cropper.prototype.defaults.doCropArgs.theme = api.settings.theme.stylesheet;
                 },
 
                 /**

src/wp-includes/js/media-views.js

@@ -282 +282 @@
                 toolbar:     'crop',
                 content:     'crop',
                 router:      false,
+                canSkipCrop: false,
 
-                canSkipCrop: false
+                // Default doCrop Ajax arguments to allow the Customizer (for example) to inject state.
+                doCropArgs: {}
         },
 
         activate: function() {
@@ -367 +369 @@
         },
 
         doCrop: function( attachment ) {
-                return wp.ajax.post( 'custom-header-crop', {
-                        nonce: attachment.get('nonces').edit,
-                        id: attachment.get('id'),
-                        cropDetails: attachment.get('cropDetails')
-                } );
+                return wp.ajax.post( 'custom-header-crop', _.extend(
+                        {},
+                        this.defaults.doCropArgs,
+                        {
+                                nonce: attachment.get( 'nonces' ).edit,
+                                id: attachment.get( 'id' ),
+                                cropDetails: attachment.get( 'cropDetails' )
+                        }
+                ) );
         }
 });