tree af0558f24d4eec6169138cc74cbe930e6a86e592
parent 7ef02fdb2243dc494cd0528d4a29856b4a56ecfc
author Michael Matloob <matloob@golang.org> 1470335044 -0400
committer Michael Matloob <matloob@golang.org> 1470358825 +0000

x/tools/cmd/heapview: add a heading to the page

This CL's purpose is to introduce the dependency on the HTML Custom
Elements polyfill. Like we've done so far, I'm trying to keep
dependencies light by using current or polyfilling future webcomponents
standards.

Change-Id: I11d14db367b697cdd527fb66b9d7d160ac244b78
Reviewed-on: https://go-review.googlesource.com/25494
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>