Fixing naming issues in MediaSession

content/browser/media/session/media_session_player_observer.h

Index: content/browser/media/session/media_session_player_observer.h
diff --git a/content/browser/media/session/media_session_observer.h b/content/browser/media/session/media_session_player_observer.h
similarity index 65%
rename from content/browser/media/session/media_session_observer.h
rename to content/browser/media/session/media_session_player_observer.h
index 4d9f4d498c2a8e267c4b763c13409901179bb71b..95ba2613b53c3f2a3b85fd76a504db4fd4451206 100644
--- a/content/browser/media/session/media_session_observer.h
+++ b/content/browser/media/session/media_session_player_observer.h
@@ -2,15 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_OBSERVER_H_
-#define CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_OBSERVER_H_
+#ifndef CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_PLAYER_OBSERVER_H_
+#define CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_PLAYER_OBSERVER_H_
 
 namespace content {
 
-class MediaSessionObserver {
+class MediaSessionPlayerObserver {
  public:
-  MediaSessionObserver() = default;
-  virtual ~MediaSessionObserver() = default;
+  MediaSessionPlayerObserver() = default;
+  virtual ~MediaSessionPlayerObserver() = default;
 
   // The given |player_id| has been suspended by the MediaSession.
   virtual void OnSuspend(int player_id) = 0;
@@ -26,4 +26,4 @@ class MediaSessionObserver {
 
 }  // namespace content
 
-#endif // CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_OBSERVER_H_
+#endif  // CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_PLAYER_OBSERVER_H_