tracing: Reduce memory usage of heap_profiler_allocation_register_unittest.cc

This test was causing flakiness on low-memory devices as it tries to allocate
~600 MB of virtual memory. Turns out the test doesn't really need it all that.
Reducing the number of cells allocated to 54 MB.

BUG=608354

Review-Url: https://codereview.chromium.org/2037603002
Cr-Commit-Position: refs/heads/master@{#397484}


CrOS-Libchrome-Original-Commit: db346b18cb3a494e21d2c4662641eb33e1584212
1 file changed
tree: bc7a45672f71a62e4ae4c6c98ea1d7d3592a4306
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/