cc : Fix hit testing bug in resourceless software draw mode

cc : Fix hit testing bug in resourceless software draw mode

Hit testing assumes that the transform node corresponding to target id
of clip node always has a render surface. This is not true when we are
in resourceless software draw mode.

BUG=614438, 604731
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review-Url: https://codereview.chromium.org/2033163003
Cr-Commit-Position: refs/heads/master@{#397543}
(cherry picked from commit 8d0064fad7a0842a60a61a00ffc58775f8c8f982)

Committed: https://chromium.googlesource.com/chromium/src/+/bb87edece9bacb94593ace23a2c36dc3f3439346

[jaydasika, 2016-06-04 01:33:17]

Description was changed from

==========
cc : Fix hit testing bug in resourceless software draw mode

Hit testing assumes that the transform node corresponding to target id
of clip node always has a render surface. This is not true when we are
in resourceless software draw mode.

BUG=614438, 604731
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review-Url: https://codereview.chromium.org/2033163003
Cr-Commit-Position: refs/heads/master@{#397543}
(cherry picked from commit 8d0064fad7a0842a60a61a00ffc58775f8c8f982)
==========

to

==========
cc : Fix hit testing bug in resourceless software draw mode

Hit testing assumes that the transform node corresponding to target id
of clip node always has a render surface. This is not true when we are
in resourceless software draw mode.

BUG=614438, 604731
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review-Url: https://codereview.chromium.org/2033163003
Cr-Commit-Position: refs/heads/master@{#397543}
(cherry picked from commit 8d0064fad7a0842a60a61a00ffc58775f8c8f982)

Committed:
https://chromium.googlesource.com/chromium/src/+/bb87edece9bacb94593ace23a2c3...
==========

[jaydasika, 2016-06-04 01:33:19]

Committed patchset #1 (id:1) manually as
bb87edece9bacb94593ace23a2c36dc3f3439346.