app_list: Add sync animation.

app_list: Add sync animation.

- Add a status property to AppListModel to indicate app syncing status;
- Update this status when AppSyncUIState changes;
- AppsGridView to hold AppListModel instead of just apps;
- AppsGridView to show pulsing blocks on remaining slots on the last page
  when AppListModel status is syncing;

BUG=129236
TEST=Verify app list showing pulsing white blocks for new user on cros.

R=sky@chromium.org


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=166452

[sky, 2012-11-07 00:22:30]

https://codereview.chromium.org/11371003/diff/1/ui/app_list/app_list_model.cc
File ui/app_list/app_list_model.cc (right):

https://codereview.chromium.org/11371003/diff/1/ui/app_list/app_list_model.cc...
ui/app_list/app_list_model.cc:17: results_(new SearchResults) {
Initialize status_ ?

[xiyuan, 2012-11-07 00:56:02]

http://codereview.chromium.org/11371003/diff/1/ui/app_list/app_list_model.cc
File ui/app_list/app_list_model.cc (right):

http://codereview.chromium.org/11371003/diff/1/ui/app_list/app_list_model.cc#...
ui/app_list/app_list_model.cc:17: results_(new SearchResults) {
On 2012/11/07 00:22:30, sky wrote:
> Initialize status_ ?

Oops. Fixed.

[sky, 2012-11-07 04:52:10]

LGTM

[commit-bot: I haz the power, 2012-11-07 14:56:40]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/xiyuan@chromium.org/11371003/5001

[commit-bot: I haz the power, 2012-11-07 16:53:06]

Change committed as 166452