Use IPC::Sender and IPC::Listener in content.

content/common/appcache/appcache_backend_proxy.h

Index: content/common/appcache/appcache_backend_proxy.h
diff --git a/content/common/appcache/appcache_backend_proxy.h b/content/common/appcache/appcache_backend_proxy.h
index 050c07d71073779c48dee0581f5689cb27bfd9f1..86c6c5cde4e4c478f55dd95d091e3389d502fd57 100644
--- a/content/common/appcache/appcache_backend_proxy.h
+++ b/content/common/appcache/appcache_backend_proxy.h
@@ -6,16 +6,15 @@
 #define CONTENT_COMMON_APPCACHE_APPCACHE_BACKEND_PROXY_H_
 #pragma once
 
-#include "ipc/ipc_message.h"
+#include "ipc/ipc_sender.h"
 #include "webkit/appcache/appcache_interfaces.h"
 
 // Sends appcache related messages to the main process.
 class AppCacheBackendProxy : public appcache::AppCacheBackend {
  public:
-  explicit AppCacheBackendProxy(IPC::Message::Sender* sender)
-      : sender_(sender) {}
+  explicit AppCacheBackendProxy(IPC::Sender* sender) : sender_(sender) {}
 
-  IPC::Message::Sender* sender() const { return sender_; }
+  IPC::Sender* sender() const { return sender_; }
 
   // AppCacheBackend methods
   virtual void RegisterHost(int host_id) OVERRIDE;
@@ -44,7 +43,7 @@ class AppCacheBackendProxy : public appcache::AppCacheBackend {
       std::vector<appcache::AppCacheResourceInfo>* resource_infos) OVERRIDE;
 
  private:
-  IPC::Message::Sender* sender_;
+  IPC::Sender* sender_;
 };
 
 #endif  // CONTENT_COMMON_APPCACHE_APPCACHE_BACKEND_PROXY_H_