Rename IPC Sender and Listener in ppapi, content/public, and content/renderer

content/public/browser/browser_child_process_host_delegate.h

Index: content/public/browser/browser_child_process_host_delegate.h
diff --git a/content/public/browser/browser_child_process_host_delegate.h b/content/public/browser/browser_child_process_host_delegate.h
index e028c9af34ba672a5c5e6434796327dfb6548312..82c5b60d836d41914f6ea4d936c92c1d77d2ceef 100644
--- a/content/public/browser/browser_child_process_host_delegate.h
+++ b/content/public/browser/browser_child_process_host_delegate.h
@@ -7,13 +7,12 @@
 #pragma once
 
 #include "content/common/content_export.h"
-#include "ipc/ipc_channel.h"
+#include "ipc/ipc_listener.h"
 
 namespace content {
 
 // Interface that all users of BrowserChildProcessHost need to provide.
-class CONTENT_EXPORT BrowserChildProcessHostDelegate
-    : public IPC::Channel::Listener {
+class CONTENT_EXPORT BrowserChildProcessHostDelegate : public IPC::Listener {
  public:
   virtual ~BrowserChildProcessHostDelegate() {}