Switch to standard integer types in net/.

net/http/http_proxy_client_socket.cc

Index: net/http/http_proxy_client_socket.cc
diff --git a/net/http/http_proxy_client_socket.cc b/net/http/http_proxy_client_socket.cc
index 5a3ec4b9ed8f24108a48292db7b6cc357ce84123..562bff36b908378e08e11780fc4ca0edd3a726d2 100644
--- a/net/http/http_proxy_client_socket.cc
+++ b/net/http/http_proxy_client_socket.cc
@@ -244,11 +244,11 @@ int HttpProxyClientSocket::Write(IOBuffer* buf, int buf_len,
   return transport_->socket()->Write(buf, buf_len, callback);
 }
 
-int HttpProxyClientSocket::SetReceiveBufferSize(int32 size) {
+int HttpProxyClientSocket::SetReceiveBufferSize(int32_t size) {
   return transport_->socket()->SetReceiveBufferSize(size);
 }
 
-int HttpProxyClientSocket::SetSendBufferSize(int32 size) {
+int HttpProxyClientSocket::SetSendBufferSize(int32_t size) {
   return transport_->socket()->SetSendBufferSize(size);
 }