cc: Add priority rects to tracing.

cc: Add priority rects to tracing.

This patch adds all of the priority rects we use in tilings to tracing.

R=enne
BUG=468813
Committed: https://crrev.com/1f29e546cfaab38762704455935c116c6bd18252
Cr-Commit-Position: refs/heads/master@{#321434}

[vmpstr, 2015-03-19 19:06:35]

Please take a look.

[enne (OOO), 2015-03-19 19:15:22]

https://codereview.chromium.org/1019353002/diff/1/cc/resources/picture_layer_...
File cc/resources/picture_layer_tiling.cc (right):

https://codereview.chromium.org/1019353002/diff/1/cc/resources/picture_layer_...
cc/resources/picture_layer_tiling.cc:887:
MathUtil::AddToTracedValue("current_visible_rect", current_visible_rect_,
Do you need the word current in all of these?

https://codereview.chromium.org/1019353002/diff/1/cc/resources/picture_layer_...
cc/resources/picture_layer_tiling.cc:891:
MathUtil::AddToTracedValue("current_soon_border_rect",
Also, why "soon_border" vs just "soon"? I'm not sure I follow the difference.

[vmpstr, 2015-03-19 19:38:19]

PTAL

https://codereview.chromium.org/1019353002/diff/1/cc/resources/picture_layer_...
File cc/resources/picture_layer_tiling.cc (right):

https://codereview.chromium.org/1019353002/diff/1/cc/resources/picture_layer_...
cc/resources/picture_layer_tiling.cc:887:
MathUtil::AddToTracedValue("current_visible_rect", current_visible_rect_,
On 2015/03/19 19:15:21, enne wrote:
> Do you need the word current in all of these?

Done.

https://codereview.chromium.org/1019353002/diff/1/cc/resources/picture_layer_...
cc/resources/picture_layer_tiling.cc:891:
MathUtil::AddToTracedValue("current_soon_border_rect",
On 2015/03/19 19:15:21, enne wrote:
> Also, why "soon_border" vs just "soon"? I'm not sure I follow the difference.

Eh, I'm just following the name of the variable. I can change this to soon_rect
with a follow-up to rename the variables as well, wdyt? (I've done this in
preparation of you saying OK, but let me know).

[enne (OOO), 2015-03-19 20:10:57]

The CQ bit was checked by enne@chromium.org

[enne (OOO), 2015-03-19 20:10:57]

lgtm

[commit-bot: I haz the power, 2015-03-19 20:11:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1019353002/20001

[commit-bot: I haz the power, 2015-03-19 21:23:48]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-03-19 21:24:18]

Patchset 2 (id:??) landed as
https://crrev.com/1f29e546cfaab38762704455935c116c6bd18252
Cr-Commit-Position: refs/heads/master@{#321434}