[UMA] Use proper C++ objects to serialize tracked_objects across process boundaries.

See https://chromiumcodereview.appspot.com/9702014/ for the original code review.  Uploading to a new issue due to an AppEngine error...

BUG=103480
TEST=none (refactoring, no functional change expected)
TBR=jam@chromium.org,jar@chromium.org,eroman@chromium.org,jhawkins@chromium.org,ajwong@chromium.org


Review URL: http://codereview.chromium.org/10077001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@132109 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 1cb05dbbcafd3f35999606af6c8316058ce7b93a
5 files changed
tree: 9dab9aa63131f30f2d47dea98c424405cd2cc8db
  1. base/
  2. build/
  3. dbus/
  4. ipc/
  5. testing/
  6. third_party/