Add a JSON sanitizer.

components/safe_json/safe_json_parser_android.cc

Index: components/safe_json/safe_json_parser_android.cc
diff --git a/components/safe_json/safe_json_parser_android.cc b/components/safe_json/safe_json_parser_android.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9266ec702f6797fa60d57e7dbc68b547dcefec01
--- /dev/null
+++ b/components/safe_json/safe_json_parser_android.cc
@@ -0,0 +1,56 @@
+// 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.
+
+#include "components/safe_json/safe_json_parser_android.h"
+
+#include "base/bind.h"
+#include "base/json/json_reader.h"
+#include "base/values.h"
+#include "components/safe_json/json_sanitizer.h"
+
+namespace safe_json {
+
+SafeJsonParserAndroid::SafeJsonParserAndroid(
+    const std::string& unsafe_json,
+    const SuccessCallback& success_callback,
+    const ErrorCallback& error_callback)
+    : unsafe_json_(unsafe_json),
+      success_callback_(success_callback),
+      error_callback_(error_callback) {}
+
+SafeJsonParserAndroid::~SafeJsonParserAndroid() {}
+
+void SafeJsonParserAndroid::Start() {
+  JsonSanitizer::Sanitize(
+      unsafe_json_,
+      base::Bind(&SafeJsonParserAndroid::OnSanitizationSuccess,
+                 base::Unretained(this)),
+      base::Bind(&SafeJsonParserAndroid::OnSanitizationError,
+                 base::Unretained(this)));
+}
+
+void SafeJsonParserAndroid::OnSanitizationSuccess(
+    const std::string& sanitized_json) {
+  // Self-destruct at the end of this method.
+  scoped_ptr<SafeJsonParserAndroid> deleter(this);
+
+  int error_code;
+  std::string error;
+  scoped_ptr<base::Value> value = base::JSONReader::ReadAndReturnError(
+      sanitized_json, base::JSON_PARSE_RFC, &error_code, &error);
+
+  if (!value) {
+    error_callback_.Run(error);
+    return;
+  }
+
+  success_callback_.Run(value.Pass());
+}
+
+void SafeJsonParserAndroid::OnSanitizationError(const std::string& error) {
+  error_callback_.Run(error);
+  delete this;
+}
+
+}  // namespace safe_json