use enum to specify deviceSource for fling animation

use enum to specify deviceSource for fling animation

Patch 1 of 4 to specify the deviceSource of a desired fling animation
request via enum throughout Blink and Chromium.

BUG=343327
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=175151

[rjkroege, 2014-05-28 23:38:36]

Please take a look. Hopefully this fixes the layering violation in the
associated bug.

Note the follow on patches: https://codereview.chromium.org/304793003 and
https://codereview.chromium.org/304823002

[rjkroege, 2014-05-29 22:45:15]

Adam is away. Do you mind taking a look?

[dglazkov, 2014-05-30 00:00:09]

lgtm

https://codereview.chromium.org/307733002/diff/1/public/platform/Platform.h
File public/platform/Platform.h (right):

https://codereview.chromium.org/307733002/diff/1/public/platform/Platform.h#n...
public/platform/Platform.h:599: // TODO(rjkroege): Remove at end of
http://crbug.com/343327
This doesn't need to be all bent to 80 chars. We're in a free world in Blink :)

[rjkroege, 2014-05-30 01:00:20]

https://codereview.chromium.org/307733002/diff/1/public/platform/Platform.h
File public/platform/Platform.h (right):

https://codereview.chromium.org/307733002/diff/1/public/platform/Platform.h#n...
public/platform/Platform.h:599: // TODO(rjkroege): Remove at end of
http://crbug.com/343327
On 2014/05/30 00:00:09, dglazkov wrote:
> This doesn't need to be all bent to 80 chars. We're in a free world in Blink
:)

Good to know. I'd fix except that I intend to delete the whole comment after a
roll or two.

[rjkroege, 2014-05-30 01:01:05]

The CQ bit was checked by rjkroege@chromium.org

[commit-bot: I haz the power, 2014-05-30 01:03:06]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/rjkroege@chromium.org/307733002/1

[commit-bot: I haz the power, 2014-05-30 16:00:16]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  mac_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/mac_blink_rel/builds/9637)

[commit-bot: I haz the power, 2014-05-30 16:38:51]

Change committed as 175151