Use StaticAtomicSequenceNumber instead of subtle::Atomic32 in IPCMessage.

BUG=

Review URL: https://codereview.chromium.org/177123004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253169 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: dc4fa481825071b02d5fe4fde8d6e4f42b3be6f7
1 file changed
tree: da2f7a650a2f0b77617084c7581c302df24a196e
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. ipc/
  6. mojo/
  7. testing/
  8. third_party/
  9. ui/