Avoid heap allocations in IPAddress

content/browser/renderer_host/pepper/pepper_tcp_socket_message_filter.cc

Index: content/browser/renderer_host/pepper/pepper_tcp_socket_message_filter.cc
diff --git a/content/browser/renderer_host/pepper/pepper_tcp_socket_message_filter.cc b/content/browser/renderer_host/pepper/pepper_tcp_socket_message_filter.cc
index b91089d347143cf8fc6627041a0c14e444baa184..2a14a47f4e7f93170033db8db817901f01b54971 100644
--- a/content/browser/renderer_host/pepper/pepper_tcp_socket_message_filter.cc
+++ b/content/browser/renderer_host/pepper/pepper_tcp_socket_message_filter.cc
@@ -9,6 +9,7 @@
 #include <vector>
 
 #include "base/bind.h"
+#include "base/containers/stack_container.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
@@ -585,14 +586,15 @@ void PepperTCPSocketMessageFilter::DoBind(
 
   int pp_result = PP_OK;
   do {
-    std::vector<uint8_t> address;
+    base::StackVector<uint8_t, 16> address;
     uint16_t port;
     if (!NetAddressPrivateImpl::NetAddressToIPEndPoint(
             net_addr, &address, &port)) {
       pp_result = PP_ERROR_ADDRESS_INVALID;
       break;
     }
-    net::IPEndPoint bind_addr(net::IPAddress(address), port);
+    net::IPEndPoint bind_addr(net::IPAddress(address->data(), address->size()),
+                              port);
 
     DCHECK(!socket_->IsValid());
     pp_result = NetErrorToPepperError(socket_->Open(bind_addr.GetFamily()));
@@ -670,7 +672,7 @@ void PepperTCPSocketMessageFilter::DoConnectWithNetAddress(
 
   state_.SetPendingTransition(TCPSocketState::CONNECT);
 
-  std::vector<uint8_t> address;
+  base::StackVector<uint8_t, 16> address;
   uint16_t port;
   if (!NetAddressPrivateImpl::NetAddressToIPEndPoint(
           net_addr, &address, &port)) {
@@ -682,7 +684,8 @@ void PepperTCPSocketMessageFilter::DoConnectWithNetAddress(
   // Copy the single IPEndPoint to address_list_.
   address_index_ = 0;
   address_list_.clear();
-  address_list_.push_back(net::IPEndPoint(net::IPAddress(address), port));
+  address_list_.push_back(
+      net::IPEndPoint(net::IPAddress(address->data(), address->size()), port));
   StartConnect(context);
 }