Roll src/third_party/skia/ bf74a4608..7768fa17b (40 commits)

https://skia.googlesource.com/skia.git/+log/bf74a460814a..7768fa17b795

$ git log bf74a4608..7768fa17b --date=short --no-merges --format='%ad %ae %s'
2018-04-05 angle-skia-autoroll Roll third_party/externals/angle2/ dd196e0bc..c3755fc56 (5 commits)
2018-04-05 caryclark remove SK_IGNORE_TO_STRING
2018-03-29 bungeman Distinguish between glyphs with empty path and no path.
2018-04-05 skcms-skia-autoroll Roll third_party/externals/skcms/ 6959d4597..24c91d143 (1 commit)
2018-04-05 skcms-skia-autoroll Roll third_party/externals/skcms/ d75edb2e3..6959d4597 (1 commit)
2018-04-05 skcms-skia-autoroll Roll third_party/externals/skcms/ a7974d9f6..d75edb2e3 (1 commit)
2018-04-05 fmalita Clip SlideDir slides to their declared dimensions
2018-04-05 bungeman Mac to better serialize OTTO fonts.
2018-04-05 robertphillips Revert "Remove deprectated GrContext::MakeGL overloads that take raw ptr"
2018-04-05 bsalomon Remove SK_DISABLE_TEXTURE_OP_AA
2018-04-05 fmalita [viewer] Consolidate external slide loading
2018-04-05 liyuqian Flush before snap SkThreadedBMPDevice
2018-04-05 skcms-skia-autoroll Roll third_party/externals/skcms/ 3cb9ba6ae..a7974d9f6 (3 commits)
2018-04-04 bryct Update 'Working in a Chromium repo' documentation.
2018-04-05 kjlubick Avoid nonsortable rects in drawRect/drawOval
2018-04-04 bsalomon Remove deprectated GrContext::MakeGL overloads that take raw ptr
2018-04-05 bsalomon Add maxTextureSize()/maxRenderTargetSize() to GrContext
2018-04-05 fmalita Viewer SVG support
2018-04-04 bungeman Via*::draw to finish before checking.
2018-04-05 reed replace size-alignment assert with round-down
2018-04-05 angle-skia-autoroll Roll third_party/externals/angle2/ bc54342bf..dd196e0bc (14 commits)
2018-04-05 skcms-skia-autoroll Roll third_party/externals/skcms/ d26d270c8..3cb9ba6ae (7 commits)
2018-04-02 halcanary SkPDF: implement xheight for type3 fonts
2018-04-05 robertphillips Add GrBackendTexture/RenderTarget accessors to SkSurface
2018-04-05 robertphillips Add SK_API to SkSurfaceCharacterization
2018-04-03 halcanary experimental/tools: minor code cleanup
2018-04-04 brianosman Workaround for lack of ESSL3 external image extension on older Samsung devices
2018-04-05 caryclark tweak SkImage documentation
2018-04-05 robertphillips Fix iOS bot in Chrome CQ
2018-04-05 update-docs Update markdown files
2018-04-04 bsalomon Avoid calling glGetString(GL_EXTENSIONS) on core profiles
2018-04-04 bsalomon Stop using clear-as-draw workaround on newer Intel drivers on macOS
2018-04-04 liyuqian Ensure that pointers/arrays are valid until flush in threaded backend
2018-04-04 benjaminwagner Add loongson3a Build jobs.
2018-04-04 robertphillips Add GrBackendTexture accessor to SkImage (take 2)
2018-04-04 reed move SkIPoint16 to private header
2018-04-04 benjaminwagner Update mips64el_toolchain_linux to GCC 7
2018-04-04 fmalita Fix SkLocalMatrixShader nesting semantics
2018-04-04 egdaniel Make sure we set the origin when initDescForDstCopy fails
2018-04-04 fmalita Banish SkShaderBase::isRasterPipelineOnly()

Created with:
  roll-dep src/third_party/skia


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;master.tryserver.chromium.win:win_optional_gpu_tests_rel
TBR=herb@chromium.org

Change-Id: I8a5d0c4e84954bcebd8fc4e09327cc0cb009975a
Reviewed-on: https://chromium-review.googlesource.com/998395Reviewed-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@{#548706}

DEPS

@@ -82,7 +82,7 @@ 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': 'bf74a460814a7912ed3d2e1af000afd2c45cd318',
+  'skia_revision': '7768fa17b7956cfb8707af3ffc3ab01cfabf0efe',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.