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

content/browser/plugin_data_remover_impl.cc

Index: content/browser/plugin_data_remover_impl.cc
diff --git a/content/browser/plugin_data_remover_impl.cc b/content/browser/plugin_data_remover_impl.cc
index d84f0d36a12010eb3adcaf3d4502cc33920e79a6..51c0c6e4897901ad33ba72195752d1fe1e6268d9 100644
--- a/content/browser/plugin_data_remover_impl.cc
+++ b/content/browser/plugin_data_remover_impl.cc
@@ -59,7 +59,7 @@ void PluginDataRemover::GetSupportedPlugins(
 class PluginDataRemoverImpl::Context
     : public PluginProcessHost::Client,
       public PpapiPluginProcessHost::BrokerClient,
-      public IPC::Channel::Listener,
+      public IPC::Listener,
       public base::RefCountedThreadSafe<Context,
                                         BrowserThread::DeleteOnIOThread> {
  public:
@@ -172,7 +172,7 @@ class PluginDataRemoverImpl::Context
     Release();
   }
 
-  // IPC::Channel::Listener methods.
+  // IPC::Listener methods.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE {
     IPC_BEGIN_MESSAGE_MAP(Context, message)
       IPC_MESSAGE_HANDLER(PluginHostMsg_ClearSiteDataResult,