Use SkJSONWriter for viewer UI serialization

+ drop JsonCPP dependency.

Bug: skia:
Change-Id: I81539cea6e495fe6d55d155ae49e7ac4a79faad6
Reviewed-on: https://skia-review.googlesource.com/135628
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/BUILD.gn b/BUILD.gn
index 1691936eca..529a74f6b0 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1996,7 +1996,6 @@ if (skia_enable_tools) {
       "modules/skottie",
       "modules/sksg",
       "//third_party/imgui",
-      "//third_party/jsoncpp",
     ]
   }