Revert of NativeStackSampler implementation for Mac. (patchset #21 id:400001 of https://codereview.chromium.org/2702463003/ )

Reason for revert:
WebGL crashes. http://crbug.com/707474

Original issue's description:
> NativeStackSampler implementation for Mac.
>
> Stack sampling on Mac implemented for StackSamplingProfiler to provide
> Chrome stack trace data from Mac users to UMA.
>
> BUG=531673
>
> Review-Url: https://codereview.chromium.org/2702463003
> Cr-Commit-Position: refs/heads/master@{#461145}
> Committed: https://chromium.googlesource.com/chromium/src/+/965a47b7737c6f15238447d8d8fb7105183acc8a

TBR=wittman@chromium.org,mark@chromium.org,rsesek@chromium.org,thakis@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=531673

Review-Url: https://codereview.chromium.org/2797513003
Cr-Commit-Position: refs/heads/master@{#461762}


CrOS-Libchrome-Original-Commit: 806487f6ebc2cbf35c061e5154db29ac44a55738
1 file changed
tree: bcba07dafb7bd7b51c1dca0b83a86f510b139878
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/