--- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/PackageUseWriter.java	Mon Mar 11 11:23:09 2019 -0700
+++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/PackageUseWriter.java	Mon Mar 11 12:59:45 2019 -0700
@@ -129,17 +129,17 @@
         HtmlTree div = new HtmlTree(HtmlTag.DIV);
         div.setStyle(HtmlStyle.contentContainer);
         if (usingPackageToUsedClasses.isEmpty()) {
-            div.addContent(contents.getContent("doclet.ClassUse_No.usage.of.0", utils.getPackageName(packageElement)));
+            div.add(contents.getContent("doclet.ClassUse_No.usage.of.0", utils.getPackageName(packageElement)));
         } else {
             addPackageUse(div);
         }
-        mainTree.addContent(div);
-        body.addContent(mainTree);
+        mainTree.add(div);
+        body.add(mainTree);
         HtmlTree footer = HtmlTree.FOOTER();
         navBar.setUserFooter(getUserHeaderFooter(false));
-        footer.addContent(navBar.getContent(false));
+        footer.add(navBar.getContent(false));
         addBottom(footer);
-        body.addContent(footer);
+        body.add(footer);
         printHtmlDocument(null,
                 getDescription("use", packageElement),
                 body);
@@ -157,7 +157,7 @@
             addPackageList(ul);
         }
         addClassList(ul);
-        contentTree.addContent(ul);
+        contentTree.add(ul);
     }
 
     /**
@@ -181,12 +181,12 @@
             if (pkg != null && !pkg.isUnnamed()) {
                 addSummaryComment(pkg, summary);
             } else {
-                summary.addContent(Contents.SPACE);
+                summary.add(Contents.SPACE);
             }
             table.addRow(packageLink, summary);
         }
         Content li = HtmlTree.LI(HtmlStyle.blockList, table.toContent());
-        contentTree.addContent(li);
+        contentTree.add(li);
     }
 
     /**
@@ -201,7 +201,7 @@
             PackageElement usingPackage = utils.elementUtils.getPackageElement(packageName);
             HtmlTree li = new HtmlTree(HtmlTag.LI);
             li.setStyle(HtmlStyle.blockList);
-            li.addContent(links.createAnchor(getPackageAnchorName(usingPackage)));
+            li.add(links.createAnchor(getPackageAnchorName(usingPackage)));
             String tableSummary = resources.getText("doclet.Use_Table_Summary",
                                                         resources.getText("doclet.classes"));
             Content caption = contents.getContent(
@@ -223,8 +223,8 @@
 
                 table.addRow(typeContent, summary);
             }
-            li.addContent(table.toContent());
-            contentTree.addContent(li);
+            li.add(table.toContent());
+            contentTree.add(li);
         }
     }
 
@@ -244,16 +244,16 @@
                 contents.moduleLabel);
         navBar.setNavLinkModule(linkContent);
         navBar.setUserHeader(getUserHeaderFooter(true));
-        htmlTree.addContent(navBar.getContent(true));
-        bodyTree.addContent(htmlTree);
+        htmlTree.add(navBar.getContent(true));
+        bodyTree.add(htmlTree);
         ContentBuilder headContent = new ContentBuilder();
-        headContent.addContent(contents.getContent("doclet.ClassUse_Title", packageText));
-        headContent.addContent(new HtmlTree(HtmlTag.BR));
-        headContent.addContent(name);
+        headContent.add(contents.getContent("doclet.ClassUse_Title", packageText));
+        headContent.add(new HtmlTree(HtmlTag.BR));
+        headContent.add(name);
         Content heading = HtmlTree.HEADING(Headings.PAGE_TITLE_HEADING, true,
                 HtmlStyle.title, headContent);
         Content div = HtmlTree.DIV(HtmlStyle.header, heading);
-        mainTree.addContent(div);
+        mainTree.add(div);
         return bodyTree;
     }
 }