Roll src/third_party/skia f4b3d6b..7605c89 (10 commits) (#13234)

https://skia.googlesource.com/skia.git/+log/f4b3d6b9f3d1..7605c89c00f7

git log f4b3d6b..7605c89 --date=short --no-merges --format='%ad %ae %s'
2019-10-18 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (nontrivial).
2019-10-18 halcanary@google.com Docs: Add links to header files.
2019-10-18 michaelludwig@google.com Rename SkDevice::ctm() to localToDevice()
2019-10-18 kjlubick@google.com [canvaskit] Roll chrome version for testing
2019-10-18 fmalita@chromium.org [skottie] Default camera for 3D layers
2019-10-18 jcgregorio@google.com [docs] - Add link to buildbot search.
2019-10-18 fmalita@chromium.org [skottie] Camera does not apply to regular/2D layers
2019-10-18 bungeman@google.com Add SkColorData.h to gn.
2019-10-18 jvanverth@google.com Use LazyProxy to set up Metal swapchain.
2019-10-18 senorblanco@chromium.org Dawn: allow CopySrc usage of swapchain texture.

Created with:
  gclient setdep -r src/third_party/skia@7605c89c00f7

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC csmartdalton@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

Bug: None
TBR=csmartdalton@google.com

Author: skia-flutter-autoroll

DEPS

@@ -26,7 +26,7 @@ vars = {
   'skia_git': 'https://skia.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': 'f4b3d6b9f3d1530131016d589a76b7ac057fecc2',
+  'skia_revision': '7605c89c00f7a442aaa9c72358808686c315dc2c',
 
   # 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

@@ -1,4 +1,4 @@
-Signature: 5d135b9aa2c4d5e55ca7d29bbed28183
+Signature: e643a2760efc1b166143a12f2e1b239f
 
 UNUSED LICENSES: