Make the Pepper TCP open the firewall on Cros.

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 0093c720863e895f2637f6db6e1ae5c581e544cb..0e515213a7d513aada1be85c7a0ece69dd0fb666 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
@@ -26,6 +26,10 @@
 #include "ppapi/shared_impl/ppb_tcp_socket_shared.h"
 #include "ppapi/shared_impl/private/net_address_private_impl.h"
 
+#if defined(OS_CHROMEOS)
+#include "chromeos/network/firewall_hole.h"
+#endif  // defined(OS_CHROMEOS)
+
 using ppapi::NetAddressPrivateImpl;
 using ppapi::host::NetErrorToPepperError;
 
@@ -230,6 +234,38 @@ void PepperTCPServerSocketMessageFilter::OnListenCompleted(
   state_ = STATE_LISTENING;
 }
 
+void PepperTCPServerSocketMessageFilter::MaybeOpenFirewallHole(
+    const PP_NetAddress_Private& addr,
+    const ppapi::host::ReplyMessageContext& context, int net_result) {
+#if defined(OS_CHROMEOS)
+  if (net_result != net::OK) {
+    return;
+  }
+  // punch hole.
+  pepper_socket_utils::FirewallHoleOpenCallback callback =
+      base::Bind(&PepperTCPServerSocketMessageFilter::OnFirewallHoleOpened,
+                 base::Unretained(this), context, net_result);
+  if (pepper_socket_utils::OpenFirewallHole(addr, callback)) {
+    // Firewall hole is opening, state transition will happen in the callback.
+    return;
+  }
+#endif  // defined(OS_CHROMEOS)
+
+  OnListenCompleted(context, net_result);
+}
+
+#if defined(OS_CHROMEOS)
+void PepperTCPServerSocketMessageFilter::OnFirewallHoleOpened(
+    const ppapi::host::ReplyMessageContext& context, int32_t net_result,
+    scoped_ptr<chromeos::FirewallHole> hole) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+
+  LOG_IF(WARNING, !hole.get()) << "Firewall hole could not be opened.";
+  firewall_hole_ = hole.Pass();
+  OnListenCompleted(context, net_result);
+}
+#endif  // defined(OS_CHROMEOS)
+
 void PepperTCPServerSocketMessageFilter::OnAcceptCompleted(
     const ppapi::host::ReplyMessageContext& context,
     int net_result) {