[inspector] fix compilation on win and linux

src/inspector/string-16.cc

Index: src/inspector/string-16.cc
diff --git a/src/inspector/string-16.cc b/src/inspector/string-16.cc
index e0cf0059a6f7f31abbbbabbed19e8ea3a94d6282..e39b87c17f8f035201e9ea4b4835ea3da6c52800 100644
--- a/src/inspector/string-16.cc
+++ b/src/inspector/string-16.cc
@@ -375,7 +375,7 @@ String16 String16::fromInteger(int number) {
 String16 String16::fromInteger(size_t number) {
   const size_t kBufferSize = 50;
   char buffer[kBufferSize];
-  std::snprintf(buffer, kBufferSize, "%zu", number);
+  v8::base::OS::SNPrintF(buffer, kBufferSize, "%zu", number);
   return String16(buffer);
 }