godoc/static: add perf, review, sync subrepos

They exist and are considered to be worth listing based on the decision
made in golang/go#24432. They weren't listed previously. This change
fixes that.

Document the remaining subrepos that are not meant to be listed (per
decision in golang/go#24432), so it's clear that it's intentional for
them to not be visible at https://golang.org/pkg/#subrepo.

Closes golang/go#24432.
Updates golang/go#14304.

Change-Id: Icc50ebfcdbc490c32519d92a1a838eb3f54c823d
Reviewed-on: https://go-review.googlesource.com/103075
Reviewed-by: Austin Clements <austin@google.com>

cmd/godoc/x.go

@@ -22,9 +22,9 @@ type xRepo struct {
 }
 
 var xMap = map[string]xRepo{
-	"codereview": {"https://code.google.com/p/go.codereview", "hg"},
+	"codereview": {"https://code.google.com/p/go.codereview", "hg"}, // Not included at https://golang.org/pkg/#subrepo.
 
-	"arch":       {"https://go.googlesource.com/arch", "git"},
+	"arch":       {"https://go.googlesource.com/arch", "git"}, // Not included at https://golang.org/pkg/#subrepo.
 	"benchmarks": {"https://go.googlesource.com/benchmarks", "git"},
 	"blog":       {"https://go.googlesource.com/blog", "git"},
 	"build":      {"https://go.googlesource.com/build", "git"},
@@ -32,22 +32,22 @@ var xMap = map[string]xRepo{
 	"debug":      {"https://go.googlesource.com/debug", "git"},
 	"exp":        {"https://go.googlesource.com/exp", "git"},
 	"image":      {"https://go.googlesource.com/image", "git"},
-	"lint":       {"https://go.googlesource.com/lint", "git"},
+	"lint":       {"https://go.googlesource.com/lint", "git"}, // Not included at https://golang.org/pkg/#subrepo.
 	"mobile":     {"https://go.googlesource.com/mobile", "git"},
 	"net":        {"https://go.googlesource.com/net", "git"},
-	"oauth2":     {"https://go.googlesource.com/oauth2", "git"},
+	"oauth2":     {"https://go.googlesource.com/oauth2", "git"}, // Not included at https://golang.org/pkg/#subrepo.
 	"perf":       {"https://go.googlesource.com/perf", "git"},
-	"playground": {"https://go.googlesource.com/playground", "git"},
+	"playground": {"https://go.googlesource.com/playground", "git"}, // Not included at https://golang.org/pkg/#subrepo.
 	"review":     {"https://go.googlesource.com/review", "git"},
 	"sync":       {"https://go.googlesource.com/sync", "git"},
 	"sys":        {"https://go.googlesource.com/sys", "git"},
-	"talks":      {"https://go.googlesource.com/talks", "git"},
-	"term":       {"https://go.googlesource.com/term", "git"},
+	"talks":      {"https://go.googlesource.com/talks", "git"}, // Not included at https://golang.org/pkg/#subrepo.
+	"term":       {"https://go.googlesource.com/term", "git"},  // Not included at https://golang.org/pkg/#subrepo.
 	"text":       {"https://go.googlesource.com/text", "git"},
 	"time":       {"https://go.googlesource.com/time", "git"},
 	"tools":      {"https://go.googlesource.com/tools", "git"},
 	"tour":       {"https://go.googlesource.com/tour", "git"},
-	"vgo":        {"https://go.googlesource.com/vgo", "git"},
+	"vgo":        {"https://go.googlesource.com/vgo", "git"}, // Not included at https://golang.org/pkg/#subrepo.
 }
 
 func init() {

godoc/static/package.html

@@ -317,6 +317,9 @@
 		<li><a href="//godoc.org/golang.org/x/image">image</a> — additional imaging packages.</li>
 		<li><a href="//godoc.org/golang.org/x/mobile">mobile</a> — experimental support for Go on mobile platforms.</li>
 		<li><a href="//godoc.org/golang.org/x/net">net</a> — additional networking packages.</li>
+		<li><a href="//godoc.org/golang.org/x/perf">perf</a> — packages and tools for performance measurement, storage, and analysis.</li>
+		<li><a href="//godoc.org/golang.org/x/review">review</a> — a tool for working with Gerrit code reviews.</li>
+		<li><a href="//godoc.org/golang.org/x/sync">sync</a> — additional concurrency primitives.</li>
 		<li><a href="//godoc.org/golang.org/x/sys">sys</a> — packages for making system calls.</li>
 		<li><a href="//godoc.org/golang.org/x/text">text</a> — packages for working with text.</li>
 		<li><a href="//godoc.org/golang.org/x/time">time</a> — additional time packages.</li>

godoc/static/static.go

@@ -1937,6 +1937,9 @@ function cgAddChild(tree, ul, cgn) {
 		<li><a href="//godoc.org/golang.org/x/image">image</a> — additional imaging packages.</li>
 		<li><a href="//godoc.org/golang.org/x/mobile">mobile</a> — experimental support for Go on mobile platforms.</li>
 		<li><a href="//godoc.org/golang.org/x/net">net</a> — additional networking packages.</li>
+		<li><a href="//godoc.org/golang.org/x/perf">perf</a> — packages and tools for performance measurement, storage, and analysis.</li>
+		<li><a href="//godoc.org/golang.org/x/review">review</a> — a tool for working with Gerrit code reviews.</li>
+		<li><a href="//godoc.org/golang.org/x/sync">sync</a> — additional concurrency primitives.</li>
 		<li><a href="//godoc.org/golang.org/x/sys">sys</a> — packages for making system calls.</li>
 		<li><a href="//godoc.org/golang.org/x/text">text</a> — packages for working with text.</li>
 		<li><a href="//godoc.org/golang.org/x/time">time</a> — additional time packages.</li>