Remove all references to jsoncpp (build scripts, DEPS, etc)

Bug: skia:
Change-Id: I3cec245e537eee3e6ceb0a4a52bad733c2c8746e
Reviewed-on: https://skia-review.googlesource.com/c/189842
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>

DEPS

diff --git a/DEPS b/DEPS
index 37f2798..9a5f33f 100644
--- a/DEPS
+++ b/DEPS
@@ -15,8 +15,6 @@
   "third_party/externals/harfbuzz"        : "https://skia.googlesource.com/third_party/harfbuzz.git@8be74d85534534dbdd39a0a6f496e26e9f3e661d",
   "third_party/externals/icu"             : "https://chromium.googlesource.com/chromium/deps/icu.git@407b39301e71006b68bd38e770f35d32398a7b14",
   "third_party/externals/imgui"           : "https://skia.googlesource.com/external/github.com/ocornut/imgui.git@d38d7c6628bebd02692cfdd6fa76b4d992a35b75",
-  # TODO: remove jsoncpp after migrating clients to SkJSON
-  "third_party/externals/jsoncpp"         : "https://chromium.googlesource.com/external/github.com/open-source-parsers/jsoncpp.git@1.0.0",
   "third_party/externals/libjpeg-turbo"   : "https://skia.googlesource.com/external/github.com/libjpeg-turbo/libjpeg-turbo.git@2.0.0",
   "third_party/externals/libpng"          : "https://skia.googlesource.com/third_party/libpng.git@v1.6.33",
   "third_party/externals/libwebp"         : "https://chromium.googlesource.com/webm/libwebp.git@v1.0.2-rc1",

public.bzl

diff --git a/public.bzl b/public.bzl
index 40801d8..76ea8bd 100644
--- a/public.bzl
+++ b/public.bzl
@@ -450,7 +450,6 @@
         "tools/ResourceFactory.h",
         "tools/Resources.cpp",
         "tools/Resources.h",
-        "tools/SkJSONCPP.h",
         "tools/UrlDataManager.cpp",
         "tools/UrlDataManager.h",
         "tools/debugger/*.cpp",

third_party/jsoncpp/BUILD.gn

diff --git a/third_party/jsoncpp/BUILD.gn b/third_party/jsoncpp/BUILD.gn
deleted file mode 100644
index ff8351f..0000000
--- a/third_party/jsoncpp/BUILD.gn
+++ /dev/null
@@ -1,28 +0,0 @@
-# Copyright 2016 Google Inc.
-#
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-declare_args() {
-  skia_use_system_jsoncpp = is_official_build
-}
-
-import("../third_party.gni")
-
-if (skia_use_system_jsoncpp) {
-  system("jsoncpp") {
-    libs = [ "jsoncpp" ]
-  }
-} else {
-  third_party("jsoncpp") {
-    public_include_dirs = [ "../externals/jsoncpp/include" ]
-
-    defines = [ "JSON_USE_EXCEPTION=0" ]
-    sources = [
-      "../externals/jsoncpp/src/lib_json/json_reader.cpp",
-      "../externals/jsoncpp/src/lib_json/json_value.cpp",
-      "../externals/jsoncpp/src/lib_json/json_writer.cpp",
-    ]
-    testonly = true
-  }
-}

tools/SkJSONCPP.h

diff --git a/tools/SkJSONCPP.h b/tools/SkJSONCPP.h
deleted file mode 100644
index 32ae495..0000000
--- a/tools/SkJSONCPP.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
- * A common place to put the jsoncpp library includes, as opposed to littering
- * the pragmas repeatedly through our code.
- */
-#ifndef SkJSONCPP_DEFINED
-#define SkJSONCPP_DEFINED
-
-#ifdef SK_BUILD_FOR_GOOGLE3
-    #include "third_party/jsoncpp/reader.h"
-    #include "third_party/jsoncpp/value.h"
-    #include "third_party/jsoncpp/writer.h"
-#else
-    #ifdef SK_BUILD_FOR_WIN
-        // json includes xlocale which generates warning 4530 because we're
-        // compiling without exceptions;
-        // see https://code.google.com/p/skia/issues/detail?id=1067
-        #pragma warning(push)
-        #pragma warning(disable : 4530)
-    #endif
-    #include "json/reader.h"
-    #include "json/value.h"
-    #include "json/writer.h"
-    #ifdef SK_BUILD_FOR_WIN
-        #pragma warning(pop)
-    #endif
-#endif
-
-#endif // SkJSONCPP_DEFINED

tools/check-headers-self-sufficient

diff --git a/tools/check-headers-self-sufficient b/tools/check-headers-self-sufficient
index 6212839..e60aa86 100755
--- a/tools/check-headers-self-sufficient
+++ b/tools/check-headers-self-sufficient
@@ -79,7 +79,6 @@
     '-Itools/gpu',
     '-Itools/timer',
     '-Ithird_party/etc1',
-    '-Ithird_party/externals/jsoncpp/include',
     '-Ithird_party/externals/libjpeg-turbo',
     '-Ithird_party/externals/sfntly/cpp/src',
     '-Ithird_party/externals/zlib',