Refactoring: Moving the SafeJsonParser to its own component.

components/safe_json_parser/BUILD.gn

+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# GYP version: components/safe_json_parser.gypi:safe_json_parser
+static_library("safe_json_parser") {
+  sources = [
+    "safe_json_parser.cc",
+    "safe_json_parser.h",
+  ]
+
+  defines = [ "SAFE_JSON_PARSER_IMPLEMENTATION" ]
+
+  deps = [
+    ":safe_json_parser_message_filter",
+    "//base",
+    "//components/strings",
+    "//content/public/browser",
+    "//ui/base",
+  ]
+}
+
+static_library("safe_json_parser_message_filter") {
+  sources = [
+    "safe_json_parser_message_filter.cc",
+    "safe_json_parser_message_filter.h",
+    "safe_json_parser_messages.cc",
+    "safe_json_parser_messages.h",
+  ]
+
+  deps = [
+    "//base",
+    "//content/public/browser",
+    "//ipc",
+  ]
+}