Revert of TransformTree::SetRootTransformsAndScales should set 'needs_update' on transform tree only

Revert of TransformTree::SetRootTransformsAndScales should set 'needs_update' on transform tree only if we ar… (patchset #1 id:1 of https://codereview.chromium.org/2493943003/ )

Reason for revert:
https://bugs.chromium.org/p/chromium/issues/detail?id=664408

Original issue's description:
> TransformTree::SetRootTransformsAndScales should set 'needs_update' on transform tree only if we are changing the transforms stored on the root or the contents_root node. Otherwise, we will end up updating transforms every frame.
> 
> BUG=663068
> CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_precise_blink_rel
> 
> Review-Url: https://codereview.chromium.org/2490773002
> Cr-Commit-Position: refs/heads/master@{#431000}
> (cherry picked from commit b90ee7fe1cb7843f41100413e907c3e86c620ad7)
> 
> Committed: https://chromium.googlesource.com/chromium/src/+/2a4fc7ddcd6b0f9368d510f46882831d290fe9b7

TBR=
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=663068, 664408

[jaydasika, 2016-11-11 19:34:09]

The CQ bit was checked by jaydasika@chromium.org

[jaydasika, 2016-11-11 19:34:09]

Created Revert of TransformTree::SetRootTransformsAndScales should set
'needs_update' on transform tree only if we ar…

[jaydasika, 2016-11-11 19:43:09]

Description was changed from

==========
Revert of TransformTree::SetRootTransformsAndScales should set 'needs_update' on
transform tree only if we ar… (patchset #1 id:1 of
https://codereview.chromium.org/2493943003/ )

Reason for revert:
https://bugs.chromium.org/p/chromium/issues/detail?id=664408

Original issue's description:
> TransformTree::SetRootTransformsAndScales should set 'needs_update' on
transform tree only if we are changing the transforms stored on the root or the
contents_root node. Otherwise, we will end up updating transforms every frame.
> 
> BUG=663068
> CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_precise_blink_rel
> 
> Review-Url: https://codereview.chromium.org/2490773002
> Cr-Commit-Position: refs/heads/master@{#431000}
> (cherry picked from commit b90ee7fe1cb7843f41100413e907c3e86c620ad7)
> 
> Committed:
https://chromium.googlesource.com/chromium/src/+/2a4fc7ddcd6b0f9368d510f46882...

TBR=
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=663068
==========

to

==========
Revert of TransformTree::SetRootTransformsAndScales should set 'needs_update' on
transform tree only if we ar… (patchset #1 id:1 of
https://codereview.chromium.org/2493943003/ )

Reason for revert:
https://bugs.chromium.org/p/chromium/issues/detail?id=664408

Original issue's description:
> TransformTree::SetRootTransformsAndScales should set 'needs_update' on
transform tree only if we are changing the transforms stored on the root or the
contents_root node. Otherwise, we will end up updating transforms every frame.
> 
> BUG=663068
> CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_precise_blink_rel
> 
> Review-Url: https://codereview.chromium.org/2490773002
> Cr-Commit-Position: refs/heads/master@{#431000}
> (cherry picked from commit b90ee7fe1cb7843f41100413e907c3e86c620ad7)
> 
> Committed:
https://chromium.googlesource.com/chromium/src/+/2a4fc7ddcd6b0f9368d510f46882...

TBR=
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=663068, 664408
==========