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

content/common/appcache/appcache_dispatcher.h

Index: content/common/appcache/appcache_dispatcher.h
diff --git a/content/common/appcache/appcache_dispatcher.h b/content/common/appcache/appcache_dispatcher.h
index 88f1455c9a94926557c6b1cd4728ecbdce802302..63f58fe338af522a6340eebb1dd4ffc18ab748aa 100644
--- a/content/common/appcache/appcache_dispatcher.h
+++ b/content/common/appcache/appcache_dispatcher.h
@@ -8,22 +8,22 @@
 
 #include <string>
 #include <vector>
+
 #include "content/common/appcache/appcache_backend_proxy.h"
-#include "ipc/ipc_channel.h"
+#include "ipc/ipc_listener.h"
 #include "webkit/appcache/appcache_frontend_impl.h"
 
 // Dispatches appcache related messages sent to a child process from the
 // main browser process. There is one instance per child process. Messages
 // are dispatched on the main child thread. The ChildThread base class
 // creates an instance and delegates calls to it.
-class AppCacheDispatcher : public IPC::Channel::Listener {
+class AppCacheDispatcher : public IPC::Listener {
  public:
-  explicit AppCacheDispatcher(IPC::Message::Sender* sender)
-      : backend_proxy_(sender) {}
+  explicit AppCacheDispatcher(IPC::Sender* sender) : backend_proxy_(sender) {}
 
   AppCacheBackendProxy* backend_proxy() { return &backend_proxy_; }
 
-  // IPC::Channel::Listener implementation
+  // IPC::Listener implementation
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 
  private: