Make the Pepper Flash net address just private, not Flash-specific.

ppapi/thunk/ppb_flash_udp_socket_api.h

Index: ppapi/thunk/ppb_flash_udp_socket_api.h
diff --git a/ppapi/thunk/ppb_flash_udp_socket_api.h b/ppapi/thunk/ppb_flash_udp_socket_api.h
index afc7738a77a3d9ac5a281f75d03bc8ac2b2a3375..9a30aef902d470461f1b2e69cd773b300fdafc85 100644
--- a/ppapi/thunk/ppb_flash_udp_socket_api.h
+++ b/ppapi/thunk/ppb_flash_udp_socket_api.h
@@ -14,15 +14,15 @@ class PPB_Flash_UDPSocket_API {
  public:
   virtual ~PPB_Flash_UDPSocket_API() {}
 
-  virtual int32_t Bind(const PP_Flash_NetAddress* addr,
+  virtual int32_t Bind(const PP_NetAddress_Private* addr,
                        PP_CompletionCallback callback) = 0;
   virtual int32_t RecvFrom(char* buffer,
                            int32_t num_bytes,
                            PP_CompletionCallback callback) = 0;
-  virtual PP_Bool GetRecvFromAddress(PP_Flash_NetAddress* addr) = 0;
+  virtual PP_Bool GetRecvFromAddress(PP_NetAddress_Private* addr) = 0;
   virtual int32_t SendTo(const char* buffer,
                          int32_t num_bytes,
-                         const PP_Flash_NetAddress* addr,
+                         const PP_NetAddress_Private* addr,
                          PP_CompletionCallback callback) = 0;
   virtual void Close() = 0;
 };