Avoid heap allocations in IPAddress

ppapi/shared_impl/private/net_address_private_impl.cc

Index: ppapi/shared_impl/private/net_address_private_impl.cc
diff --git a/ppapi/shared_impl/private/net_address_private_impl.cc b/ppapi/shared_impl/private/net_address_private_impl.cc
index d410d8f28dbe7286b1e5b78391c2a2db00623dd5..b259c7e2e78427b07d03d08dbdd1d46edeb3c1cf 100644
--- a/ppapi/shared_impl/private/net_address_private_impl.cc
+++ b/ppapi/shared_impl/private/net_address_private_impl.cc
@@ -451,7 +451,7 @@ bool NetAddressPrivateImpl::SockaddrToNetAddress(
 
 // static
 bool NetAddressPrivateImpl::IPEndPointToNetAddress(
-    const std::vector<uint8_t>& address,
+    const net::IPAddress::IPAddressBytes& address,
     uint16_t port,
     PP_NetAddress_Private* addr) {
   if (!addr)
@@ -484,7 +484,7 @@ bool NetAddressPrivateImpl::IPEndPointToNetAddress(
 // static
 bool NetAddressPrivateImpl::NetAddressToIPEndPoint(
     const PP_NetAddress_Private& addr,
-    std::vector<uint8_t>* address,
+    net::IPAddress::IPAddressBytes* address,
     uint16_t* port) {
   if (!address || !port)
     return false;
@@ -494,9 +494,8 @@ bool NetAddressPrivateImpl::NetAddressToIPEndPoint(
     return false;
 
   *port = net_addr->port;
-  size_t address_size = GetAddressSize(net_addr);
-  address->assign(&net_addr->address[0], &net_addr->address[address_size]);
-
+  for (uint8_t byte : net_addr->address)
+    address->push_back(byte);
   return true;
 }
 #endif  // !defined(OS_NACL)