Fix nits leftover from WMPA MSE deletion.

content/renderer/media/android/webmediaplayer_android.h

Index: content/renderer/media/android/webmediaplayer_android.h
diff --git a/content/renderer/media/android/webmediaplayer_android.h b/content/renderer/media/android/webmediaplayer_android.h
index ec3eda7c5cd26aad0ee0132fb2f7698b771ae5ed..5492bdb056720d91d0ebc751bba965cf85989673 100644
--- a/content/renderer/media/android/webmediaplayer_android.h
+++ b/content/renderer/media/android/webmediaplayer_android.h
@@ -213,10 +213,6 @@ class WebMediaPlayerAndroid
   // However, the actual GlTexture is not released to keep the video screenshot.
   void SuspendAndReleaseResources() override;
 
-  void setContentDecryptionModule(
-      blink::WebContentDecryptionModule* cdm,
-      blink::WebContentDecryptionModuleResult result) override;
-
   // WebMediaPlayerDelegate::Observer implementation.
   void OnHidden() override;
   void OnShown() override;
@@ -322,11 +318,6 @@ class WebMediaPlayerAndroid
   // Media duration.
   base::TimeDelta duration_;
 
-  // Flag to remember if we have a trusted duration_ value provided by
-  // MediaSourceDelegate notifying OnDurationChanged(). In this case, ignore
-  // any subsequent duration value passed to OnMediaMetadataChange().
-  bool ignore_metadata_duration_change_;
-
   // Seek gets pending if another seek is in progress. Only last pending seek
   // will have effect.
   bool pending_seek_;