C++11 declares a type safe null pointer

content/common/child_process_sandbox_support_impl_linux.cc

Index: content/common/child_process_sandbox_support_impl_linux.cc
diff --git a/content/common/child_process_sandbox_support_impl_linux.cc b/content/common/child_process_sandbox_support_impl_linux.cc
index 5cc8144e5ec68db2d117659abdffd486a5644b75..66168db040d61102801091c07ea531924d6575ee 100644
--- a/content/common/child_process_sandbox_support_impl_linux.cc
+++ b/content/common/child_process_sandbox_support_impl_linux.cc
@@ -35,7 +35,8 @@ void GetFallbackFontForCharacter(int32_t character,
 
   uint8_t buf[512];
   const ssize_t n = UnixDomainSocket::SendRecvMsg(GetSandboxFD(), buf,
-                                                  sizeof(buf), NULL, request);
+                                                  sizeof(buf),
+                                                  nullptr, request);
 
   std::string family_name;
   std::string filename;
@@ -87,7 +88,8 @@ void GetRenderStyleForStrike(const char* family,
 
   uint8_t buf[512];
   const ssize_t n = UnixDomainSocket::SendRecvMsg(GetSandboxFD(), buf,
-                                                  sizeof(buf), NULL, request);
+                                                  sizeof(buf),
+                                                  nullptr, request);
   if (n == -1)
     return;