Activate Views TabbedPane tabs on mouse pressed.

Activate Views TabbedPane tabs on mouse pressed.

SelectTab in OnMousePressed and for ET_GESTURE_TAP_DOWN.
Eliminate the intermediate TAB_PRESSED state enum.
(Inactive/Active/Hovered cover the available states)

BUG=252919
TEST=View TabbedPane tabs change on mouse down. This UI is used in the website settings bubble (via the page icon), and the collected cookies dialog (from the aforementioned bubble) on Windows and ChromeOS.
R=sky@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=234682

[msw, 2013-11-12 01:47:23]

Hey Scott, please take a look; thanks!

[sky, 2013-11-12 17:03:00]

https://codereview.chromium.org/66603013/diff/1/ui/views/controls/tabbed_pane...
File ui/views/controls/tabbed_pane/tabbed_pane.cc (right):

https://codereview.chromium.org/66603013/diff/1/ui/views/controls/tabbed_pane...
ui/views/controls/tabbed_pane/tabbed_pane.cc:108: if
(GetLocalBounds().Contains(event.location()))
Only on left mouse button?

[msw, 2013-11-12 18:48:50]

Comment addressed. Please take another look; thanks!

https://codereview.chromium.org/66603013/diff/1/ui/views/controls/tabbed_pane...
File ui/views/controls/tabbed_pane/tabbed_pane.cc (right):

https://codereview.chromium.org/66603013/diff/1/ui/views/controls/tabbed_pane...
ui/views/controls/tabbed_pane/tabbed_pane.cc:108: if
(GetLocalBounds().Contains(event.location()))
On 2013/11/12 17:03:01, sky wrote:
> Only on left mouse button?

Done.

[sky, 2013-11-12 20:21:34]

LGTM

[commit-bot: I haz the power, 2013-11-12 20:23:23]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/msw@chromium.org/66603013/130001

[commit-bot: I haz the power, 2013-11-12 23:43:30]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/msw@chromium.org/66603013/130001

[commit-bot: I haz the power, 2013-11-13 00:45:20]

Change committed as 234682