commit e3f16371947b261daec28068db9b08c8234c0829
author dskiba <dskiba@chromium.org> Mon Jun 19 14:10:15 2017 -0700
committer Commit Bot <commit-bot@chromium.org> Mon Jun 19 21:10:15 2017 +0000
tree c9854d21e03b8fa7cf16f68e9ebbd63374edc5a8
parent 65576a5276cabde833b17d8687d49a10c4ce2c60

[tracing] Switch to new heap dump format.

This CL switches tracing to a new heap dump format, that offers the
following advantages:

1. Dumps include all the information collected by Chrome's heap profiler.

2. The format is simpler and more compact.

3. The format can easily be extended to include additional per-entry data.

4. The format allows for post-processing (see recategorization from
   crrev.com/2906413002 as an example).

BUG=708930

Review-Url: https://codereview.chromium.org/2650863003
Cr-Original-Commit-Position: refs/heads/master@{#480580}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: d4a5e98235da0cc8c4fb1ae2f67826b0b480ce4c