Roll src/third_party/skia 455c74797b46..429251513f71 (8 commits) (#7714)

https://skia.googlesource.com/skia.git/%2Blog/455c74797b46..429251513f71

git log 455c74797b4692d7dbb19a1b99c3fa3e89ca9d50..429251513f716de18e9c4ebda05f304eb97fedde --date=short --no-merges --format=%ad %ae %s
2019-02-06 mtklein@google.com fill in most remaining skvx operations
2019-02-06 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2019-02-06 herb@google.com Remove filterRec bypass on MakeRecAndEffects
2019-02-06 rmistry@google.com Have the RecreateSKPs bot upload to partner bucket
2019-02-05 herb@google.com Reorganize MakeRecAndEffects and SkScalerContext ctor
2019-02-06 reed@google.com per-contour variant of SkPathMeasure
2019-02-06 rmistry@google.com Remove PerCommit-Bookmaker
2019-02-06 jvanverth@google.com Switch back to non-Retina display resolution.

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

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 (fmalita@google.com), and stop
the roller if necessary.

DEPS

@@ -23,7 +23,7 @@ vars = {
   'fuchsia_git': 'https://fuchsia.googlesource.com',
   'github_git': 'https://github.com',
   'skia_git': 'https://skia.googlesource.com',
-  'skia_revision': '455c74797b4692d7dbb19a1b99c3fa3e89ca9d50',
+  'skia_revision': '429251513f716de18e9c4ebda05f304eb97fedde',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

ci/licenses_golden/licenses_skia

-Signature: fa3191bf0bd21c1eda6617b0ad4d47ea
+Signature: 7eb43a71ab47ddd84407142d2b672c29
 
 UNUSED LICENSES:
 
@@ -1149,6 +1149,7 @@ FILE: ../../../third_party/skia/include/android/SkAnimatedImage.h
 FILE: ../../../third_party/skia/include/c/sk_colorspace.h
 FILE: ../../../third_party/skia/include/c/sk_imageinfo.h
 FILE: ../../../third_party/skia/include/core/SkCanvasVirtualEnforcer.h
+FILE: ../../../third_party/skia/include/core/SkContourMeasure.h
 FILE: ../../../third_party/skia/include/core/SkCoverageMode.h
 FILE: ../../../third_party/skia/include/core/SkFontMetrics.h
 FILE: ../../../third_party/skia/include/core/SkFontParameters.h
@@ -1258,6 +1259,7 @@ FILE: ../../../third_party/skia/src/core/SkBlurPriv.h
 FILE: ../../../third_party/skia/src/core/SkCanvasPriv.cpp
 FILE: ../../../third_party/skia/src/core/SkColorSpaceXformSteps.cpp
 FILE: ../../../third_party/skia/src/core/SkColorSpaceXformSteps.h
+FILE: ../../../third_party/skia/src/core/SkContourMeasure.cpp
 FILE: ../../../third_party/skia/src/core/SkCoverageModePriv.h
 FILE: ../../../third_party/skia/src/core/SkCubicMap.cpp
 FILE: ../../../third_party/skia/src/core/SkCubicMap.h