media: Ensure MediaCodecs are released before attached SurfaceTextures

media/gpu/avda_picture_buffer_manager.h

 // Copyright 2015 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_GPU_AVDA_PICTURE_BUFFER_MANAGER_H_
 #define MEDIA_GPU_AVDA_PICTURE_BUFFER_MANAGER_H_
 
 #include <stdint.h>
 #include <vector>
 
@@ skipping 64 matching lines @@
   // MediaCodec is being destroyed. Previously provided codecs should no longer
   // be referenced.
   void CodecChanged(VideoCodecBridge* codec);
 
   // Whether the pictures buffers are overlayable.
   bool ArePicturesOverlayable();
 
   // Are there any unrendered picture buffers oustanding?
   bool HasUnrenderedPictures() const;
 
+  scoped_refptr<gl::SurfaceTexture> surface_texture() {
+    return surface_texture_;
+  }
+
   // Returns the GL texture target that the PictureBuffer textures use.
   // Always use OES textures even though this will cause flickering in dev tools
   // when inspecting a fullscreen video.  See http://crbug.com/592798
   static constexpr GLenum kTextureTarget = GL_TEXTURE_EXTERNAL_OES;
 
  private:
   // Release any codec buffer that is associated with the given picture buffer
   // back to the codec.  It is okay if there is no such buffer.
   void ReleaseCodecBufferForPicture(const PictureBuffer& picture_buffer);
 
@@ skipping 21 matching lines @@
 
   // Maps a picture buffer id to a AVDACodecImage.
   std::map<int, scoped_refptr<AVDACodecImage>> codec_images_;
 
   DISALLOW_COPY_AND_ASSIGN(AVDAPictureBufferManager);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_GPU_AVDA_PICTURE_BUFFER_MANAGER_H_