Increase the depth limit of JSONParser and IPC serialization from 100 to 200.

components/safe_json/json_sanitizer_unittest.cc

 // 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/json_sanitizer.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/json/json_reader.h"
@@ skipping 115 matching lines @@
   // JSON syntax errors:
   CheckError("");
   CheckError("[");
   CheckError("null");
 
   // Unterminated array.
   CheckError("[1,2,3,]");
 }
 
 TEST_F(JsonSanitizerTest, Nesting) {
-  // 99 nested arrays are fine.
-  std::string nested(99u, '[');
-  nested.append(99u, ']');
+  // 199 nested arrays are fine.
+  std::string nested(199u, '[');
+  nested.append(199u, ']');
   CheckSuccess(nested);
 
-  // 100 nested arrays is too much.
-  CheckError(std::string(100u, '[') + std::string(100u, ']'));
+  // 200 nested arrays is too much.
+  CheckError(std::string(200u, '[') + std::string(200u, ']'));
 }
 
 TEST_F(JsonSanitizerTest, Unicode) {
   // Non-ASCII characters encoded either directly as UTF-8 or escaped as UTF-16:
   CheckSuccess("[\"☃\"]");
   CheckSuccess("[\"\\u2603\"]");
   CheckSuccess("[\"😃\"]");
   CheckSuccess("[\"\\ud83d\\ude03\"]");
 
   // Malformed UTF-8:
@@ skipping 25 matching lines @@
   // A low surrogate followed by a high surrogate.
   CheckError("[\"\\ude03\\ud83d\"]");
 
   // Valid escaped UTF-16 that encodes non-characters:
   CheckError("[\"\\ufdd0\"]");
   CheckError("[\"\\ufffe\"]");
   CheckError("[\"\\ud83f\\udffe\"]");
 }
 
 }  // namespace safe_json