Increase number of bits for trace buffer chunk index

The buffer for "record-as-much-as-possible" mode contains too many
chunks whose chunk indices to be contained in the 16 bit chunk index.

Increase chunk index to 26 bits.

BUG=516056
R=brianderson@chromium.org
TBR=dsinclair@chromium.org,nduca@chromium.org
TEST=Compile time static_asserts

Review URL: https://codereview.chromium.org/1276163003

Cr-Commit-Position: refs/heads/master@{#342495}


CrOS-Libchrome-Original-Commit: 0ba996473f611b4557ceb5162501dd0251f2d236
3 files changed
tree: 1c02f9ddb7bb96e83c8380041b743d2f1f129e31
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/