Add SkTypeface::getVariationDesignPosition.

Allow users to query a typeface's position in variation design space.

Change-Id: Id7cae439e795b8c9586394f11359fb7fe55e1c0b
Reviewed-on: https://skia-review.googlesource.com/8861
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index af188f8..e8d24db 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -335,8 +335,8 @@
   enabled = fontmgr_android_enabled
 
   deps = [
+    ":typeface_freetype",
     "//third_party/expat",
-    "//third_party/freetype2",
   ]
   sources = [
     "src/ports/SkFontMgr_android.cpp",
@@ -349,7 +349,7 @@
   enabled = is_linux && skia_use_freetype && !skia_use_fontconfig
 
   deps = [
-    "//third_party/freetype2",
+    ":typeface_freetype",
   ]
   sources = [
     "src/ports/SkFontMgr_custom.cpp",
@@ -365,8 +365,8 @@
   enabled = skia_use_freetype && skia_use_fontconfig
 
   deps = [
+    ":typeface_freetype",
     "//third_party:fontconfig",
-    "//third_party/freetype2",
   ]
   sources = [
     "src/ports/SkFontConfigInterface.cpp",
@@ -382,7 +382,7 @@
   enabled = is_fuchsia && skia_use_freetype
 
   deps = [
-    "//third_party/freetype2",
+    ":typeface_freetype",
   ]
   sources = [
     "src/ports/SkFontMgr_custom.cpp",
@@ -581,7 +581,6 @@
     ":sse41",
     ":sse42",
     ":ssse3",
-    ":typeface_freetype",
     ":webp",
     ":xml",
   ]