replace OVERRIDE and FINAL with override and final in ipc/

BUG=417463

Review URL: https://codereview.chromium.org/633563002

Cr-Commit-Position: refs/heads/master@{#298413}


CrOS-Libchrome-Original-Commit: 50a41f330c528275c2980d59dbe9d99d8aec2b49
diff --git a/ipc/ipc_channel_unittest.cc b/ipc/ipc_channel_unittest.cc
index 1f85311..b9d0723 100644
--- a/ipc/ipc_channel_unittest.cc
+++ b/ipc/ipc_channel_unittest.cc
@@ -148,7 +148,7 @@
   ChannelListenerWithOnConnectedSend() {}
   virtual ~ChannelListenerWithOnConnectedSend() {}
 
-  virtual void OnChannelConnected(int32 peer_pid) OVERRIDE {
+  virtual void OnChannelConnected(int32 peer_pid) override {
     SendNextMessage();
   }
 };