Roll src/third_party/skia/ a2595f925..97c110860 (10 commits; 1 trivial rolls)

https://skia.googlesource.com/skia.git/+log/a2595f925596..97c110860758

$ git log a2595f925..97c110860 --date=short --no-merges --format='%ad %ae %s'
2018-05-09 egdaniel Revert "SkAdvancedTypefaceMetrics: factor out GlyphToUnicode"
2018-05-09 skcms-skia-autoroll Roll skia/third_party/skcms 289cedc..f771d23 (1 commits)
2018-05-09 mtklein clean up some SkDebugf()
2018-05-09 csmartdalton ccpr: Cleanup on-flush path stats
2018-05-09 robertphillips Cleanup SK_IGNORE_BLUR_IMAGE_FILTER_FIX (since Chrome no longer uses it)
2018-05-09 fmalita [skottie] Null value crash in json::ValueRef::toString()
2018-05-09 swiftshader-skia-autoroll Roll third_party/externals/swiftshader/ d4e488eb6..0641aebe3 (1 commit)
2018-05-09 brianosman When validating transfer fns, allow D > 1
2018-04-10 halcanary SkAdvancedTypefaceMetrics: factor out GlyphToUnicode

Created with:
  roll-dep src/third_party/skia
BUG=chromium:841110


The AutoRoll server is located here: https://autoroll.skia.org

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.


CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel;luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
TBR=egdaniel@chromium.org

Change-Id: I7ba86504e42883b6f8243a89fad3b3db2ebdf181
Reviewed-on: https://chromium-review.googlesource.com/1052225Reviewed-by: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#557233}

DEPS

@@ -96,7 +96,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'skia_revision': 'a2595f925596aca234d4ac4e35da689ef13cc27c',
+  'skia_revision': '97c1108607584b6050a6880d6ce22846e4913a92',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.