ash: Refactor some code that snaps windows.

ash: Refactor some code that snaps windows.

Introduce SnapSizer::SnapWindow to allow snapping a window on the left/right
edges. Use this API in a few places (e.g. from the accelerator controller,
gesture handler etc.)

BUG=151267
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=170113

[sky, 2012-11-28 22:04:01]

https://codereview.chromium.org/11434004/diff/1/ash/wm/window_util.h
File ash/wm/window_util.h (right):

https://codereview.chromium.org/11434004/diff/1/ash/wm/window_util.h#newcode89
ash/wm/window_util.h:89: ASH_EXPORT void SnapWindow(aura::Window* window,
In hope of not making this file contain a ton of stuff, what do you think of
making this a static function on SnapSizer? Especially since it takes a
SnapSizer edge.

[sadrul, 2012-11-28 23:20:16]

https://codereview.chromium.org/11434004/diff/1/ash/wm/window_util.h
File ash/wm/window_util.h (right):

https://codereview.chromium.org/11434004/diff/1/ash/wm/window_util.h#newcode89
ash/wm/window_util.h:89: ASH_EXPORT void SnapWindow(aura::Window* window,
On 2012/11/28 22:04:01, sky wrote:
> In hope of not making this file contain a ton of stuff, what do you think of
> making this a static function on SnapSizer? Especially since it takes a
> SnapSizer edge.

Yep. Sounds good to me. Done.

[sky, 2012-11-28 23:38:31]

LGTM