Tag IPC::Channel::Listener implementations with OVERRIDE

content/browser/plugin_service_browsertest.cc

Index: content/browser/plugin_service_browsertest.cc
diff --git a/content/browser/plugin_service_browsertest.cc b/content/browser/plugin_service_browsertest.cc
index 188842ceb1befc082bcfce46b81f7a7c6371c2a0..95ce4b65848261398335700df12567656770cb7e 100644
--- a/content/browser/plugin_service_browsertest.cc
+++ b/content/browser/plugin_service_browsertest.cc
@@ -54,7 +54,7 @@ class MockPluginProcessHostClient : public PluginProcessHost::Client,
 
   // Listener implementation.
   MOCK_METHOD1(OnMessageReceived, bool(const IPC::Message& message));
-  void OnChannelConnected(int32 peer_pid) {
+  void OnChannelConnected(int32 peer_pid) OVERRIDE {
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                             new MessageLoop::QuitTask());
   }