Index: src/wp-admin/includes/class-wp-media-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-media-list-table.php	(revision 52142)
+++ src/wp-admin/includes/class-wp-media-list-table.php	(working copy)
@@ -807,6 +807,19 @@
 					__( 'View' )
 				);
 			}
+
+			if ( ! $this->is_trash ) {
+				$file     = get_attached_file( $post->ID );
+				$file_url = wp_get_attachment_url( $post->ID );
+
+				$actions['copy'] = sprintf(
+					'<a href="%s" aria-label="%s" rel="bookmark">%s</a>',
+					$file_url,
+					/* translators: %s: Attachment title. */
+					esc_attr( sprintf( __( 'Copy URL to clipboard &#8220;%s&#8221;' ), $att_title ) ),
+					__( 'Copy URL to clipboard' )
+				);
+			}
 		}
 
 		/**