Remove SkTextBox

Change-Id: I697135475fa9c1b7e803500b743f10c3877c1e10
Reviewed-on: https://skia-review.googlesource.com/129560
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Herb Derby <herb@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index d59cea6..f0faae3 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1579,6 +1579,7 @@
         "src/utils/SkLuaCanvas.cpp",
       ]
       deps = [
+        ":skshaper",
         "//third_party/lua",
       ]
     }