[inspector_protocol] Allow custom json parser.

lib/Parser_cpp.template

Index: lib/Parser_cpp.template
diff --git a/lib/Parser_cpp.template b/lib/Parser_cpp.template
index a103b8228e066e0110bceae8267e1dd070eeb202..11a60639dfd0dfbef8ad0618caa6163d1063c34a 100644
--- a/lib/Parser_cpp.template
+++ b/lib/Parser_cpp.template
@@ -538,12 +538,12 @@ std::unique_ptr<Value> parseJSONInternal(const Char* start, unsigned length)
 
 } // anonymous namespace
 
-std::unique_ptr<Value> parseJSON(const uint16_t* characters, unsigned length)
+std::unique_ptr<Value> parseJSONCharacters(const uint16_t* characters, unsigned length)
 {
     return parseJSONInternal<uint16_t>(characters, length);
 }
 
-std::unique_ptr<Value> parseJSON(const uint8_t* characters, unsigned length)
+std::unique_ptr<Value> parseJSONCharacters(const uint8_t* characters, unsigned length)
 {
     return parseJSONInternal<uint8_t>(characters, length);
 }