Roll src/third_party/skia/ 93c69fff5..0a0605d4d (17 commits).

https://chromium.googlesource.com/skia.git/+log/93c69fff5350..0a0605d4de31

$ git log 93c69fff5..0a0605d4d --date=short --no-merges --format='%ad %ae %s'
2015-11-23 egdaniel Appeasing the compilers
2015-11-23 egdaniel Fix for recent SrcOver XP Change
2015-11-23 bsalomon Make stencil and cover path rendering have more reasonable bounds.
2015-11-23 joshualitt Remove unecessary GetGlyphIdMetrics call
2015-11-23 joshualitt Move command line print above parse in VisualBench
2015-11-23 egdaniel Don't create a GXPFactory when blend is SrcOver
2015-11-23 joshualitt Move GrAtlasTextBatch blob regeneration to template
2015-11-23 reed scaling API on SkPixmap
2015-11-23 jvanverth Add stroking support to distance field path renderer
2015-11-23 bsalomon Restrict query bounds for reduce clip to dev bounds
2015-11-23 msarett Switch Skia's libjpeg-turbo to 1.4.2
2015-11-23 lsalzman use malloc/calloc/free instead of moz_malloc/moz_calloc/moz_free in ports/SkMemory_mozalloc.cpp
2015-11-23 mtklein Revert of skstd -> std for unique_ptr (patchset #16 id:300001 of https://codereview.chromium.org/1436033003/ )
2015-11-23 mtklein skstd -> std for unique_ptr
2015-11-23 robertphillips Avoid devolving to a path when conservative clipping with RRects
2015-11-23 fmalita Take span len into account when determining whether gradient is vertical
2015-11-23 scroggo Add SkPngChunkReader.

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

Review URL: https://codereview.chromium.org/1474443004

Cr-Commit-Position: refs/heads/master@{#361287}

DEPS

@@ -39,7 +39,7 @@ 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': '93c69fff535075e86596a2b224f52f454b060be3',
+  'skia_revision': '0a0605d4de319fa9f24f2fb239ae7ea039d9fd02',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.