Roll third_party/skia/ a9db1213b..6279c88b9 (349 commits)

https://skia.googlesource.com/skia.git/+log/a9db1213b179..6279c88b9e29

Remove build references to SkFontMgr_custom_empty_factory.cpp,
SkFontMgr_mac_ct_factory.cpp, and SkFontMgr_win_dw_factory.cpp, which
were removed from Skia repo in http://review.skia.org/801656.

Created with:
  roll-dep third_party/skia

Change-Id: If7b6d6ee5a1e83ee63d45061332c8565879061df
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/116553
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Alan Screen <awscreen@chromium.org>
diff --git a/DEPS b/DEPS
index 9332076..8874cce 100644
--- a/DEPS
+++ b/DEPS
@@ -190,7 +190,7 @@
   # 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': 'a9db1213b17966d0344957ba1d3834b420b2a329',
+  'skia_revision': '6279c88b9e29a25bf7fc6731fe7a6c41d503ee10',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling test_fonts
   # and whatever else without interference from each other.
diff --git a/skia/BUILD.gn b/skia/BUILD.gn
index c333646..d0d8ef2 100644
--- a/skia/BUILD.gn
+++ b/skia/BUILD.gn
@@ -253,7 +253,6 @@
     # See SK_TYPEFACE_FACTORY_DIRECTWRITE
     sources += [
       "//third_party/skia/src/ports/SkFontMgr_win_dw.cpp",
-      "//third_party/skia/src/ports/SkFontMgr_win_dw_factory.cpp",
       "//third_party/skia/src/ports/SkOSFile_win.cpp",
       "//third_party/skia/src/ports/SkRemotableFontMgr_win_dw.cpp",
       "//third_party/skia/src/ports/SkScalerContext_win_dw.cpp",
@@ -269,7 +268,6 @@
     sources += [
       "//third_party/skia/include/ports/SkFontMgr_mac_ct.h",
       "//third_party/skia/src/ports/SkFontMgr_mac_ct.cpp",
-      "//third_party/skia/src/ports/SkFontMgr_mac_ct_factory.cpp",
       "//third_party/skia/src/ports/SkScalerContext_mac_ct.cpp",
       "//third_party/skia/src/ports/SkScalerContext_mac_ct.h",
       "//third_party/skia/src/ports/SkTypeface_mac_ct.cpp",
@@ -290,7 +288,6 @@
       "//third_party/skia/src/ports/SkFontMgr_FontConfigInterface.cpp",
       "//third_party/skia/src/ports/SkFontMgr_custom.cpp",
       "//third_party/skia/src/ports/SkFontMgr_custom_empty.cpp",
-      "//third_party/skia/src/ports/SkFontMgr_custom_empty_factory.cpp",
     ]
   }
 
@@ -311,7 +308,6 @@
       # instead of SkFontMgr_custom_empty.cpp.
       "//third_party/skia/src/ports/SkFontMgr_custom.cpp",
       "//third_party/skia/src/ports/SkFontMgr_custom_empty.cpp",
-      "//third_party/skia/src/ports/SkFontMgr_custom_empty_factory.cpp",
     ]
     deps += [
       "//third_party/fuchsia-sdk/sdk/fidl/fuchsia.fonts:fuchsia.fonts_hlcpp",