Move all the message files in chrome that belong in content.

chrome/common/pepper_messages.h

-// Copyright (c) 2011 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 file, no traditional include guard
-#include "chrome/common/common_param_traits.h"
-#include "ipc/ipc_message_macros.h"
-#include "ipc/ipc_param_traits.h"
-#include "ipc/ipc_platform_file.h"
-#include "ppapi/c/private/ppb_flash_net_connector.h"
-
-// Singly-included section, not yet converted.
-#ifndef CHROME_COMMON_PEPPER_MESSAGES_H_
-#define CHROME_COMMON_PEPPER_MESSAGES_H_
-
-namespace IPC {
-
-template <>
-struct ParamTraits<PP_Flash_NetAddress> {
-  typedef PP_Flash_NetAddress param_type;
-  static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, void** iter, param_type* p);
-  static void Log(const param_type& p, std::string* l);
-};
-
-}  // namespace IPC
-
-#define IPC_MESSAGE_START PepperMsgStart
-
-#endif  // CHROME_COMMON_PEPPER_MESSAGES_H_
-
-// Pepper (non-file-system) messages sent from the browser to the renderer.
-
-// The response to PepperMsg_ConnectTcp(Address).
-IPC_MESSAGE_ROUTED4(PepperMsg_ConnectTcpACK,
-                    int /* request_id */,
-                    IPC::PlatformFileForTransit /* socket */,
-                    PP_Flash_NetAddress /* local_addr */,
-                    PP_Flash_NetAddress /* remote_addr */)
-
-// Pepper (non-file-system) messages sent from the renderer to the browser.
-
-IPC_MESSAGE_CONTROL4(PepperMsg_ConnectTcp,
-                     int /* routing_id */,
-                     int /* request_id */,
-                     std::string /* host */,
-                     uint16 /* port */)
-
-IPC_MESSAGE_CONTROL3(PepperMsg_ConnectTcpAddress,
-                     int /* routing_id */,
-                     int /* request_id */,
-                     PP_Flash_NetAddress /* addr */)
-