Don't suspend the pipeline before HaveFutureData while decoding progressing

media/blink/webmediaplayer_delegate.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_
 #define MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_
 
 namespace blink {
 class WebMediaPlayer;
 }
@@ skipping 13 matching lines @@
     virtual void OnHidden() = 0;
     virtual void OnShown() = 0;
 
     // Requests a WebMediaPlayer instance to release all idle resources. If
     // |must_suspend| is true, the player must stop playback, release all idle
     // resources, and finally call WebMediaPlayerDelegate::PlayerGone(). If
     // |must_suspend| is false, the player may ignore the request. Optionally,
     // it may do some or all of the same actions as when |must_suspend| is true.
     // To be clear, the player is not required to call PlayerGone() when
     // |must_suspend| is false.
-    virtual void OnSuspendRequested(bool must_suspend) = 0;
+    // Return false to reject the request and indicate that further calls to
+    // OnSuspendRequested() are required. Otherwise the Observer is removed
+    // from the idle list.
+    virtual bool OnSuspendRequested(bool must_suspend) = 0;
 
     virtual void OnPlay() = 0;
     virtual void OnPause() = 0;
 
     // Playout volume should be set to current_volume * multiplier. The range is
     // [0, 1] and is typically 1.
     virtual void OnVolumeMultiplierUpdate(double multiplier) = 0;
   };
 
   WebMediaPlayerDelegate() {}
@@ skipping 29 matching lines @@
   // frame.
   virtual bool IsPlayingBackgroundVideo() = 0;
 
  protected:
   virtual ~WebMediaPlayerDelegate() {}
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_