cc: Changed ComputeExpansionDelta to never return a delta less than zero.
commit37974aa8d0c136e8bc1c015092540989a8b7f4b1
authorhendrikw <hendrikw@chromium.org>
Wed, 10 Sep 2014 03:28:25 +0000 (9 20:28 -0700)
committerCommit bot <commit-bot@chromium.org>
Wed, 10 Sep 2014 03:31:52 +0000 (10 03:31 +0000)
treeac198758a2c3f0d2d30f001ef727a231f1e82dc9
parentbbfe6ce49b8e99b190085dffbf446b474c5f07ff
cc: Changed ComputeExpansionDelta to never return a delta less than zero.

The eventually rect was returning as smaller than the visible rect, which
caused tiles to be dropped.  Returning a delta larger or equal to zero
fixes it.

BUG=407776

Review URL: https://codereview.chromium.org/555643002

Cr-Commit-Position: refs/heads/master@{#294091}
cc/resources/picture_layer_tiling.cc
cc/resources/picture_layer_tiling_unittest.cc