Roll src/third_party/skia/ a37662937..211df3806 (15 commits).

Manual roll due to Blink rebaselines:
https://storage.googleapis.com/chromium-layout-test-archives/linux_blink_rel/79509/layout-test-results/results.html

https://chromium.googlesource.com/skia.git/+log/a37662937cb0..211df380655d

$ git log a37662937..211df3806 --date=short --no-merges --format='%ad %ae %s'
2015-11-20 stephana Revert of Fix UB in SkDivBits (patchset #4 id:50001 of https://codereview.chromium.org/1455163004/ )
2015-11-19 msarett Implement SkGifCodec::onSkipScanlines()
2015-11-19 caryclark add SkPath::isRRect
2015-11-19 joshualitt Avoid geometric ninepatch if rendertarget has MSAA
2015-11-19 robertphillips Add more batch information printouts
2015-11-19 jvanverth Revert of Add stroking support to distance field path renderer (patchset #7 id:120001 of https://codereview.chromium.org/1460873002/ )
2015-11-19 jvanverth Add stroking support to distance field path renderer
2015-11-19 mtklein Record concat as Concat.
2015-11-19 fmalita Fix nearly-vertical gradient assert
2015-11-19 reed add SkRecordOptimize2 and an experimental API for more aggressive opts
2015-11-19 mtklein Remove unsigned < signed comparison.
2015-11-19 fmalita Parametric contour start GM
2015-11-19 mtklein Fix UB in SkDivBits
2015-11-19 kkinnunen Fix GpuDrawPathTest on ANGLE and enable it
2015-11-19 mtklein Revert float xfermodes back to Sk4f (from Sk8f).

CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
TBR=stephana@google.com
BUG=559240

NOTRY=true
Every test passed on Mac trybot, just not all on same run.

Review URL: https://codereview.chromium.org/1463283002

Cr-Commit-Position: refs/heads/master@{#360918}
diff --git a/DEPS b/DEPS
index bb753a5d..61f2086 100644
--- a/DEPS
+++ b/DEPS
@@ -39,7 +39,7 @@
   # 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': 'a37662937cb0a44b5d75a9240cfa9587b4d60e9c',
+  'skia_revision': '211df380655d3fd0c76b9b7f8be399040ca0b7a5',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.
diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index 4078baeb..47b6a9e5 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -59,6 +59,16 @@
 crbug.com/539247 [ Win10 ] http/tests/xmlhttprequest/open-in-body-onload-sync-to-invalid-redirect-response-handling.html [ Timeout Pass ]
 crbug.com/539247 [ Win10 ] http/tests/xmlhttprequest/open-in-body-onload-sync-to-invalid-preflight-handling.html [ Timeout Pass ]
 
+# Skia roll
+crbug.com/559240 fast/backgrounds/size/contain-and-cover-zoomed.html [ NeedsRebaseline ]
+crbug.com/559240 fast/css/transformed-mask.html [ NeedsRebaseline ]
+crbug.com/559240 inspector/layers/layer-canvas-log.html [ NeedsRebaseline ]
+crbug.com/559240 svg/as-background-image/background-image-preserveaspectRatio-support.html [ NeedsRebaseline ]
+crbug.com/559240 svg/as-image/img-preserveAspectRatio-support-1.html [ NeedsRebaseline ]
+crbug.com/559240 svg/repaint/repaint-paintorder.svg [ NeedsRebaseline ]
+crbug.com/559240 svg/text/text-selection-align-05-b.svg [ NeedsRebaseline ]
+crbug.com/559240 svg/zoom/text/zoom-coords-viewattr-01-b.svg [ NeedsRebaseline ]
+
 crbug.com/417782 [ Linux Win ] virtual/rootlayerscrolls/fast/scrolling/fractional-scroll-offset-fixed-position-non-composited.html [ Failure ]
 crbug.com/492664 [ Linux XP ] imported/csswg-test/css-writing-modes-3/box-offsets-rel-pos-vlr-005.xht [ Failure ]
 crbug.com/492664 [ Linux XP ] imported/csswg-test/css-writing-modes-3/box-offsets-rel-pos-vrl-004.xht [ Failure ]