content: Rename RasterWorkerPool -> CategorizedWorkerPool.

When this class was implemented, it was used for only raster work. But
we had started using it for other tasks, along with raster tasks, being
scheduled with different interfaces provided in the class.

BUG=599863

Review-Url: https://codereview.chromium.org/2021323002
Cr-Commit-Position: refs/heads/master@{#397079}


CrOS-Libchrome-Original-Commit: fad657e7142a08ebe2f632ae70149f5719c26a58
1 file changed
tree: e7203482b1f05e1e894c580feb3ff7bfdccc1029
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/