libbrillo: Blob combining utility
Add a function that concatenates given Blob's.
This provides analogous functionality of SecureBlob::Combine()
to Blob.
BUG=chromium:728047
TEST=new unit test (BlobTest.CombineBlobs)
Change-Id: I33218bd81a49a265d021e7afdcf438b7fc70921d
Reviewed-on: https://chromium-review.googlesource.com/1089338
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Maksim Ivanov <emaxx@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
3 files changed
