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

content/renderer/gpu/input_event_filter_unittest.cc

Index: content/renderer/gpu/input_event_filter_unittest.cc
diff --git a/content/renderer/gpu/input_event_filter_unittest.cc b/content/renderer/gpu/input_event_filter_unittest.cc
index b264417b0fd264404a3c9ea506ce1c89d54200ec..57f6ece75db826127c85acc54667b83993d9d379 100644
--- a/content/renderer/gpu/input_event_filter_unittest.cc
+++ b/content/renderer/gpu/input_event_filter_unittest.cc
@@ -70,7 +70,7 @@ class InputEventRecorder {
   std::vector<Record> records_;
 };
 
-class IPCMessageRecorder : public IPC::Channel::Listener {
+class IPCMessageRecorder : public IPC::Listener {
  public:
   virtual bool OnMessageReceived(const IPC::Message& message) {
     messages_.push_back(message);