How cmath is included changes whether the symbols are in the std:: namespace or not. This changes it back to how we have it everywhere in the codebase: math.h
Follow up of https://dart-review.googlesource.com/c/sdk/+/115707/
Change-Id: I383c1e9de0434d1367dfdb6302a8fb6db2c3062c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/115920
Auto-Submit: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>
i.e. #ifndef VM_WHATEVER -> #ifndef RUNTIME_VM_WHATEVER
This lets us remove a hack from the PRESUBMIT.py script that existed
for reasons that are no longer valid, and sets us up to add some
presubmit checks for the GN build.
R=asiva@google.com, rmacnak@google.com
Review URL: https://codereview.chromium.org/2450713004 .
