Begin simplifying CompositedLayerMapping::updateAfterLayout

Begin simplifying CompositedLayerMapping::updateAfterLayout

This CL unpacks the arguments to updateAfterLayout from being a bit field to
being separate Boolean values. As part of that unpacking, I learned that one of
the bits is always set, which let me remove an argument to
updateCompositingDescendantGeometry because it was always the same.

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=170610

[eseidel, 2014-04-01 19:56:23]

rslgtm.  However if you're looking for someone to be surprised that that
argument is not used, etc. that's not me. :)

[abarth-chromium, 2014-04-01 19:57:40]

The CQ bit was checked by abarth@chromium.org

[commit-bot: I haz the power, 2014-04-01 19:57:47]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/abarth@chromium.org/220163006/1

[abarth-chromium, 2014-04-01 19:57:53]

On 2014/04/01 19:56:23, eseidel wrote:
> rslgtm.  However if you're looking for someone to be surprised that that
> argument is not used, etc. that's not me. :)

Nope.  We went down this path before.  Just doing it more carefully this time. 
:)

[ojan, 2014-04-01 21:32:58]

lgtm

https://codereview.chromium.org/220163006/diff/1/Source/core/rendering/compos...
File Source/core/rendering/compositing/CompositedLayerMapping.h (right):

https://codereview.chromium.org/220163006/diff/1/Source/core/rendering/compos...
Source/core/rendering/compositing/CompositedLayerMapping.h:88: void
updateAfterLayout(bool needsFullRepaint, bool isUpdateRoot);
<3 this cleanup.

[abarth-chromium, 2014-04-01 21:43:19]

On 2014/04/01 21:32:58, ojan wrote:
> <3 this cleanup.

Wait until you see the later CLs in this series that end up just deleting this
function.  :)

[commit-bot: I haz the power, 2014-04-01 22:21:08]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/abarth@chromium.org/220163006/1

[commit-bot: I haz the power, 2014-04-01 22:41:50]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/abarth@chromium.org/220163006/1

[commit-bot: I haz the power, 2014-04-01 23:52:00]

Change committed as 170610