Roll src/third_party/skia/ fc2990682..99600d0a1 (5 commits).

      https://chromium.googlesource.com/skia.git/+log/fc2990682671..99600d0a158e

$ git log fc2990682..99600d0a1 --date=short --no-merges --format='%ad %ae %s'
2016-06-01 mbarbella Add a test to ensure that a case where SkCubicClipper::ChopMonoAtY returns false is handled properly.
2016-06-01 msarett Create SkColorSpaceXform to handle color conversions
2016-06-01 msarett Recognize common parametric gamma
2016-06-01 brianosman Release surface between runs to avoid seg fault
2016-06-01 bsalomon Fix uninit warning on valgrind bot in SkPathPriv:IsSimpleClosedRect

BUG=613918

CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
TBR=herb@google.com

Review-Url: https://codereview.chromium.org/2029203003
Cr-Commit-Position: refs/heads/master@{#397322}