Avoid heap allocations in IPAddress

content/browser/renderer_host/pepper/pepper_tcp_server_socket_message_filter.cc

Index: content/browser/renderer_host/pepper/pepper_tcp_server_socket_message_filter.cc
diff --git a/content/browser/renderer_host/pepper/pepper_tcp_server_socket_message_filter.cc b/content/browser/renderer_host/pepper/pepper_tcp_server_socket_message_filter.cc
index 50484811508e190b6a908ebb24f27012f7c845b7..795daa8fc7ee269622b3ab8efaac649b20c30b61 100644
--- a/content/browser/renderer_host/pepper/pepper_tcp_server_socket_message_filter.cc
+++ b/content/browser/renderer_host/pepper/pepper_tcp_server_socket_message_filter.cc
@@ -9,6 +9,7 @@
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
+#include "base/containers/stack_container.h"
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "content/browser/renderer_host/pepper/browser_ppapi_host_impl.h"
@@ -174,7 +175,7 @@ void PepperTCPServerSocketMessageFilter::DoListen(
     int32_t backlog) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
-  std::vector<uint8_t> address;
+  base::StackVector<uint8_t, 16> address;
   uint16_t port;
   if (state_ != STATE_BEFORE_LISTENING ||
       !NetAddressPrivateImpl::NetAddressToIPEndPoint(addr, &address, &port)) {
@@ -188,7 +189,8 @@ void PepperTCPServerSocketMessageFilter::DoListen(
   socket_.reset(new net::TCPSocket(NULL, NULL, net::NetLogSource()));
   int net_result = net::OK;
   do {
-    net::IPEndPoint ip_end_point(net::IPAddress(address), port);
+    net::IPEndPoint ip_end_point(
+        net::IPAddress(address->data(), address->size()), port);
     net_result = socket_->Open(ip_end_point.GetFamily());
     if (net_result != net::OK)
       break;