Add a JSON sanitizer.

components/safe_json.gypi

Index: components/safe_json.gypi
diff --git a/components/safe_json.gypi b/components/safe_json.gypi
index dcf28244576f26b744c4671f41f77931e2c7569f..06e6d9411f8c5cde685ee0b740cbbfb88d2a1920 100644
--- a/components/safe_json.gypi
+++ b/components/safe_json.gypi
@@ -19,11 +19,30 @@
         '..',
       ],
       'sources': [
+        'safe_json/android/component_jni_registrar.cc',
+        'safe_json/android/component_jni_registrar.h',
+        'safe_json/json_sanitizer.cc',
+        'safe_json/json_sanitizer.h',
+        'safe_json/json_sanitizer_android.cc',
         'safe_json/safe_json_parser.cc',
         'safe_json/safe_json_parser.h',
+        'safe_json/safe_json_parser_android.cc',
+        'safe_json/safe_json_parser_android.h',
         'safe_json/safe_json_parser_impl.cc',
         'safe_json/safe_json_parser_impl.h',
       ],
+      'conditions': [
+        ['OS == "android"', {
+          'dependencies': [
+            'safe_json_jni_headers',
+          ],
+          'sources!': [
+            'safe_json/json_sanitizer.cc',
+            'safe_json/safe_json_parser_impl.cc',
+            'safe_json/safe_json_parser_impl.h',
+          ],
+        }],
+      ],
     },
     {
       'target_name': 'safe_json_test_support',
@@ -59,4 +78,34 @@
       ],
     },
   ],
+  'conditions': [
+    ['OS=="android"', {
+      'targets': [
+        {
+          # GN version: //components/safe_json/android:safe_json_java
+          'target_name': 'safe_json_java',
+          'type': 'none',
+          'dependencies': [
+            '../base/base.gyp:base',
+          ],
+          'variables': {
+            'java_in_dir': 'safe_json/android/java',
+          },
+          'includes': [ '../build/java.gypi' ],
+        },
+        {
+          # GN version: //components/safe_json:jni
+          'target_name': 'safe_json_jni_headers',
+          'type': 'none',
+          'sources': [
+            'safe_json/android/java/src/org/chromium/components/safejson/JsonSanitizer.java',
+          ],
+          'variables': {
+            'jni_gen_package': 'safe_json',
+          },
+          'includes': [ '../build/jni_generator.gypi' ],
+        },
+      ],
+    }],
+  ]
 }