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

content/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_
+#ifndef CONTENT_COMMON_PEPPER_MESSAGES_H_
+#define CONTENT_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
 
+#endif  // CONTENT_COMMON_PEPPER_MESSAGES_H_
+
 #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 */)