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

content/common/webmessageportchannel_impl.h

Index: content/common/webmessageportchannel_impl.h
diff --git a/content/common/webmessageportchannel_impl.h b/content/common/webmessageportchannel_impl.h
index a47ba247e5116c4b320f794aa7ddcbe451c59fa4..f7ff131caef2bc92169b8c216c5d04c0c17d1c8f 100644
--- a/content/common/webmessageportchannel_impl.h
+++ b/content/common/webmessageportchannel_impl.h
@@ -13,13 +13,13 @@
 #include "base/memory/ref_counted.h"
 #include "base/string16.h"
 #include "base/synchronization/lock.h"
-#include "ipc/ipc_channel.h"
+#include "ipc/ipc_listener.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebMessagePortChannel.h"
 
 // This is thread safe.
 class WebMessagePortChannelImpl
     : public WebKit::WebMessagePortChannel,
-      public IPC::Channel::Listener,
+      public IPC::Listener,
       public base::RefCountedThreadSafe<WebMessagePortChannelImpl> {
  public:
   WebMessagePortChannelImpl();
@@ -47,7 +47,7 @@ class WebMessagePortChannelImpl
   void Entangle(scoped_refptr<WebMessagePortChannelImpl> channel);
   void Send(IPC::Message* message);
 
-  // IPC::Channel::Listener implementation.
+  // IPC::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   void OnMessage(const string16& message,