Move zooming into its own component, imported via HTML Imports.

experimental/webtry/webtry.go

Index: experimental/webtry/webtry.go
diff --git a/experimental/webtry/webtry.go b/experimental/webtry/webtry.go
index bf352fb13178b0573a4128365f8695a1ac255c19..0c5186e32adce39b4e8a1f392db2a4fcf870b0ce 100644
--- a/experimental/webtry/webtry.go
+++ b/experimental/webtry/webtry.go
@@ -140,6 +140,8 @@ func init() {
 		filepath.Join(cwd, "templates/index.html"),
 		filepath.Join(cwd, "templates/titlebar.html"),
 		filepath.Join(cwd, "templates/content.html"),
+		filepath.Join(cwd, "templates/headercommon.html"),
+		filepath.Join(cwd, "templates/footercommon.html"),
 	)
 	if err != nil {
 		panic(err)
@@ -147,6 +149,8 @@ func init() {
 	iframeTemplate, err = htemplate.ParseFiles(
 		filepath.Join(cwd, "templates/iframe.html"),
 		filepath.Join(cwd, "templates/content.html"),
+		filepath.Join(cwd, "templates/headercommon.html"),
+		filepath.Join(cwd, "templates/footercommon.html"),
 	)
 	if err != nil {
 		panic(err)
@@ -154,6 +158,8 @@ func init() {
 	recentTemplate, err = htemplate.ParseFiles(
 		filepath.Join(cwd, "templates/recent.html"),
 		filepath.Join(cwd, "templates/titlebar.html"),
+		filepath.Join(cwd, "templates/headercommon.html"),
+		filepath.Join(cwd, "templates/footercommon.html"),
 	)
 	if err != nil {
 		panic(err)
@@ -162,6 +168,8 @@ func init() {
 		filepath.Join(cwd, "templates/workspace.html"),
 		filepath.Join(cwd, "templates/titlebar.html"),
 		filepath.Join(cwd, "templates/content.html"),
+		filepath.Join(cwd, "templates/headercommon.html"),
+		filepath.Join(cwd, "templates/footercommon.html"),
 	)
 	if err != nil {
 		panic(err)