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

base/json/json_parser_unittest.cc

Index: base/json/json_parser_unittest.cc
diff --git a/base/json/json_parser_unittest.cc b/base/json/json_parser_unittest.cc
index 11d0de262b440e3379bc0b92bc3ff2354f9e1c3f..d004c480cf66702c4a412b385f5a08a86f3de2f3 100644
--- a/base/json/json_parser_unittest.cc
+++ b/base/json/json_parser_unittest.cc
@@ -244,14 +244,14 @@ TEST_F(JSONParserTest, ErrorMessages) {
   EXPECT_EQ(JSONReader::JSON_UNEXPECTED_DATA_AFTER_ROOT, error_code);
 
   std::string nested_json;
-  for (int i = 0; i < 101; ++i) {
+  for (int i = 0; i < 201; ++i) {
     nested_json.insert(nested_json.begin(), '[');
     nested_json.append(1, ']');
   }
   root = JSONReader::ReadAndReturnError(nested_json, JSON_PARSE_RFC,
                                         &error_code, &error_message);
   EXPECT_FALSE(root.get());
-  EXPECT_EQ(JSONParser::FormatErrorMessage(1, 100, JSONReader::kTooMuchNesting),
+  EXPECT_EQ(JSONParser::FormatErrorMessage(1, 200, JSONReader::kTooMuchNesting),
             error_message);
   EXPECT_EQ(JSONReader::JSON_TOO_MUCH_NESTING, error_code);