Remove PPAPI dependency on 'net'.

ppapi/proxy/ppapi_messages.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Multiply-included message header, no traditional include guard.
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
@@ skipping 688 matching lines @@
                     uint32 /* accepted_socket_id */,
                     PP_NetAddress_Private /* local_addr */,
                     PP_NetAddress_Private /* remote_addr */)
 
 // PPB_HostResolver_Private.
 IPC_MESSAGE_ROUTED5(PpapiMsg_PPBHostResolver_ResolveACK,
                     uint32 /* plugin_dispatcher_id */,
                     uint32 /* host_resolver_id */,
                     bool /* succeeded */,
                     std::string /* canonical_name */,
-                    ppapi::NetAddressList /* net_address_list */)
+                    std::vector<PP_NetAddress_Private> /* net_address_list */)
 
 #if !defined(OS_NACL) && !defined(NACL_WIN64)
 // PPP_Instance_Private.
 IPC_SYNC_MESSAGE_ROUTED1_1(PpapiMsg_PPPInstancePrivate_GetInstanceObject,
                            PP_Instance /* instance */,
                            ppapi::proxy::SerializedVar /* result */)
 
 // PPB_VideoCapture_Dev
 IPC_MESSAGE_ROUTED3(PpapiMsg_PPBVideoCapture_EnumerateDevicesACK,
                     ppapi::HostResource /* video_capture */,
@@ skipping 838 matching lines @@
 
 // Reply to a RequestMemory call. This supplies the shared memory handle. The
 // actual handle is passed in the ReplyParams struct.
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_Gamepad_SendMemory)
 
 // Printing.
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_Printing_Create)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_Printing_GetDefaultPrintSettings)
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_Printing_GetDefaultPrintSettingsReply,
                      PP_PrintSettings_Dev /* print_settings */)