cc: Convert LayerTreeHostDamage tests to using PictureLayer.

cc: Convert LayerTreeHostDamage tests to using PictureLayer.

This removes another use of ContentLayer in the unit tests preventing
us from deleting non-impl-side-painting code.

R=enne, vmpstr
BUG=413479
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Committed: https://crrev.com/552ffd9933d6dc0fbcd4fce4bb62b35145b30709
Cr-Commit-Position: refs/heads/master@{#333188}

[enne (OOO), 2015-06-05 22:17:11]

https://codereview.chromium.org/1143223006/diff/1/cc/trees/layer_tree_host_un...
File cc/trees/layer_tree_host_unittest_damage.cc (left):

https://codereview.chromium.org/1143223006/diff/1/cc/trees/layer_tree_host_un...
cc/trees/layer_tree_host_unittest_damage.cc:309: gfx::RectF paint_rect =
child_->LastPaintRect();
Why is this not needed anymore?

[danakj, 2015-06-05 23:09:08]

https://codereview.chromium.org/1143223006/diff/1/cc/trees/layer_tree_host_un...
File cc/trees/layer_tree_host_unittest_damage.cc (left):

https://codereview.chromium.org/1143223006/diff/1/cc/trees/layer_tree_host_un...
cc/trees/layer_tree_host_unittest_damage.cc:309: gfx::RectF paint_rect =
child_->LastPaintRect();
On 2015/06/05 22:17:10, enne wrote:
> Why is this not needed anymore?

This is testing a specific change to TiledLayer.
https://codereview.chromium.org/85143002/diff/200001/cc/trees/layer_tree_host...

[enne (OOO), 2015-06-06 00:06:36]

Talked offline.  Paint rect not important, and it's already checking the damage
rect, which seems like the important thing.

lgtm

[danakj, 2015-06-06 00:06:44]

The CQ bit was checked by danakj@chromium.org

[commit-bot: I haz the power, 2015-06-06 00:07:15]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1143223006/1

[commit-bot: I haz the power, 2015-06-06 00:47:57]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-06 00:49:04]

Patchset 1 (id:??) landed as
https://crrev.com/552ffd9933d6dc0fbcd4fce4bb62b35145b30709
Cr-Commit-Position: refs/heads/master@{#333188}