Introducing new data types and IPC messages for scripted JS speech recognition APIs (Speech CL2.0)

content/public/browser/speech_recognition_event_listener.h

Index: content/public/browser/speech_recognition_event_listener.h
diff --git a/content/public/browser/speech_recognition_event_listener.h b/content/public/browser/speech_recognition_event_listener.h
index 10d64b380e6514ca35b69e66ee3b2aa736ea48ae..436f9cfb6c24cfdff2a4bcf10111ae2f0ba1763a 100644
--- a/content/public/browser/speech_recognition_event_listener.h
+++ b/content/public/browser/speech_recognition_event_listener.h
@@ -4,6 +4,7 @@
 
 #ifndef CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_EVENT_LISTENER_H_
 #define CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_EVENT_LISTENER_H_
+#pragma once
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
@@ -30,13 +31,13 @@ class CONTENT_EXPORT SpeechRecognitionEventListener {
   // recognition UI once this callback is received.
   virtual void OnEnvironmentEstimationComplete(int session_id) = 0;
 
-  // Informs that the end pointer has started detecting sound (possibly speech).
+  // Informs that the endpointer has started detecting sound (possibly speech).
   virtual void OnSoundStart(int session_id) = 0;
 
-  // Informs that the end pointer has stopped detecting sound (a long silence).
+  // Informs that the endpointer has stopped detecting sound (a long silence).
   virtual void OnSoundEnd(int session_id) = 0;
 
-  // Invoked when audio capture stops, either due to the end pointer detecting
+  // Invoked when audio capture stops, either due to the endpointer detecting
   // silence, an internal error, or an explicit stop was issued.
   virtual void OnAudioEnd(int session_id) = 0;