Initial work for UDP Pepper API

content/browser/renderer_host/pepper_message_filter.h

Index: content/browser/renderer_host/pepper_message_filter.h
diff --git a/content/browser/renderer_host/pepper_message_filter.h b/content/browser/renderer_host/pepper_message_filter.h
index e9cd398b8e9624e8489177db3e8d44ac4a57b5d9..659674ae7f34dd3839b716d2751d6374bea5ac0f 100644
--- a/content/browser/renderer_host/pepper_message_filter.h
+++ b/content/browser/renderer_host/pepper_message_filter.h
@@ -43,6 +43,8 @@ class PepperMessageFilter : public BrowserMessageFilter {
  private:
   class FlashTCPSocket;
   class FlashTCPSocketManager;
+  class FlashUDPSocket;
+  class FlashUDPSocketManager;
 
 #if defined(ENABLE_FLAPPER_HACKS)
   // Message handlers.
@@ -95,6 +97,7 @@ class PepperMessageFilter : public BrowserMessageFilter {
   net::HostResolver* host_resolver_;
 
   scoped_ptr<FlashTCPSocketManager> socket_manager_;
+  scoped_ptr<FlashUDPSocketManager> socket_manager_udp_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperMessageFilter);
 };