Stack sampling profiler: fix off-by-one error on truncated stacks

Stacks that are truncated due to the Win32StackFrameUnwinder being
unable to unwind are being reported with an extra frame.

BUG=555770

Review URL: https://codereview.chromium.org/1469983002

Cr-Commit-Position: refs/heads/master@{#361230}


CrOS-Libchrome-Original-Commit: c2259413238814894aadcbbe07c8e1a8c12b2413
1 file changed
tree: 38a1b6986f4ccd06a6b7f1f1c6efd71d98ecf1e1
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/