Simplify Context usage in MediaNotification

chrome/android/java/src/org/chromium/chrome/browser/media/remote/CastNotificationControl.java

Index: chrome/android/java/src/org/chromium/chrome/browser/media/remote/CastNotificationControl.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/media/remote/CastNotificationControl.java b/chrome/android/java/src/org/chromium/chrome/browser/media/remote/CastNotificationControl.java
index 396eee14bdb9835ecb102e4a099370e6c74a3aab..96b6acee46549ffc9a6ce37d5307012b26453d12 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/media/remote/CastNotificationControl.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/media/remote/CastNotificationControl.java
@@ -132,10 +132,10 @@ public class CastNotificationControl implements MediaRouteController.UiListener,
             mNotificationBuilder.setPaused(mState != PlayerState.PLAYING);
             mNotificationBuilder.setActions(MediaNotificationInfo.ACTION_STOP
                     | MediaNotificationInfo.ACTION_PLAY_PAUSE);
-            MediaNotificationManager.show(mContext, mNotificationBuilder.build());
+            MediaNotificationManager.show(mNotificationBuilder.build());
         } else if (mState == PlayerState.LOADING) {
             mNotificationBuilder.setActions(MediaNotificationInfo.ACTION_STOP);
-            MediaNotificationManager.show(mContext, mNotificationBuilder.build());
+            MediaNotificationManager.show(mNotificationBuilder.build());
         } else {
             hide();
         }