Add framework for parsing logs obtained from heap measurements in ChromeOS machines.

BUG=None
TEST=Manual testing on chrome logs.

Change-Id: I48f0062180fd6ee723ccbff047b5fea625e4e3e1
Reviewed-on: https://chrome-internal-review.googlesource.com/168652
Reviewed-by: Simon Que <sque@google.com>
Tested-by: Soumya Basu <sbasu@google.com>
Commit-Queue: Soumya Basu <sbasu@google.com>
6 files changed