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

content/public/browser/web_contents_observer.h

Index: content/public/browser/web_contents_observer.h
diff --git a/content/public/browser/web_contents_observer.h b/content/public/browser/web_contents_observer.h
index 988968a9a4540511d2b8f8a9d18685d95969f044..c64d159c9558714808c37f01a0e2820ab0b71f7d 100644
--- a/content/public/browser/web_contents_observer.h
+++ b/content/public/browser/web_contents_observer.h
@@ -9,7 +9,8 @@
 #include "content/common/content_export.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/common/page_transition_types.h"
-#include "ipc/ipc_channel.h"
+#include "ipc/ipc_listener.h"
+#include "ipc/ipc_sender.h"
 #include "webkit/glue/window_open_disposition.h"
 
 class WebContentsImpl;
@@ -24,8 +25,8 @@ struct Referrer;
 
 // An observer API implemented by classes which are interested in various page
 // load events from WebContents.  They also get a chance to filter IPC messages.
-class CONTENT_EXPORT WebContentsObserver : public IPC::Channel::Listener,
-                                           public IPC::Message::Sender {
+class CONTENT_EXPORT WebContentsObserver : public IPC::Listener,
+                                           public IPC::Sender {
  public:
   // Only one of the two methods below will be called when a RVH is created for
   // a WebContents, depending on whether it's for an interstitial or not.
@@ -119,10 +120,10 @@ class CONTENT_EXPORT WebContentsObserver : public IPC::Channel::Listener,
   // It is safe to delete 'this' from here.
   virtual void WebContentsDestroyed(WebContents* web_contents) {}
 
-  // IPC::Channel::Listener implementation.
+  // IPC::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
-  // IPC::Message::Sender implementation.
+  // IPC::Sender implementation.
   virtual bool Send(IPC::Message* message) OVERRIDE;
   int routing_id() const;