Split drive-internals logger to each profile.

The log was once unified to a global single instance for ease of coding,
but it turned out it does not work well with multi-profiled environment.

BUG=326868
R=hashimoto@chromium.org, tzik@chromium.org

Review URL: https://codereview.chromium.org/145843003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248825 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248825
Add net/quic/crypto/crypto_handshake_message.{cc,h}.

These files are part of https://codereview.chromium.org/147763009/.
They are added first so that the rest of that CL can be committed by
the commit queue.

TBR=rch@chromium.org
BUG=none
TEST=none

Review URL: https://codereview.chromium.org/154643006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248826 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248826