Use proper integer constants instead of enums

Use proper integer constants instead of enums

-Wtype-limits will throw warnings if an enum is used interchangably
with an integer. Replace some such usages with proper integer
constants.

BUG=424334
TEST=build, unit test

Committed: https://crrev.com/2f82d4c8406b739fe35252357b32aadd56ab08f3
Cr-Commit-Position: refs/heads/master@{#300376}

[Chris Masone, 2014-10-17 22:18:43]

cmasone@chromium.org changed reviewers:
+ tdresser@chromium.org

[tdresser, 2014-10-20 14:27:31]

https://codereview.chromium.org/662893002/diff/20001/ui/events/gesture_detect...
File ui/events/gesture_detection/velocity_tracker.cc (left):

https://codereview.chromium.org/662893002/diff/20001/ui/events/gesture_detect...
ui/events/gesture_detection/velocity_tracker.cc:476: DCHECK_LE(m,
static_cast<uint32_t>(M_ARRAY_LENGTH));
These DCHECKs are still relevant, aren't they?

[Chris Masone, 2014-10-20 16:05:22]

https://codereview.chromium.org/662893002/diff/20001/ui/events/gesture_detect...
File ui/events/gesture_detection/velocity_tracker.cc (left):

https://codereview.chromium.org/662893002/diff/20001/ui/events/gesture_detect...
ui/events/gesture_detection/velocity_tracker.cc:476: DCHECK_LE(m,
static_cast<uint32_t>(M_ARRAY_LENGTH));
On 2014/10/20 14:27:31, tdresser wrote:
> These DCHECKs are still relevant, aren't they?

Yes, you're right

[tdresser, 2014-10-20 16:28:03]

LGTM

[Chris Masone, 2014-10-20 22:40:36]

The CQ bit was checked by cmasone@chromium.org

[commit-bot: I haz the power, 2014-10-20 22:44:45]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/662893002/40001

[commit-bot: I haz the power, 2014-10-20 23:39:56]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2014-10-20 23:40:46]

Patchset 3 (id:??) landed as
https://crrev.com/2f82d4c8406b739fe35252357b32aadd56ab08f3
Cr-Commit-Position: refs/heads/master@{#300376}