Relocate SurfaceTexture usage from AVDA GLImage into shared state.

media/gpu/avda_codec_image.h

Index: media/gpu/avda_codec_image.h
diff --git a/media/gpu/avda_codec_image.h b/media/gpu/avda_codec_image.h
index 72f706831ac10492a7f6977edb8a5e5fdcc9263a..fd96fa759613e2a4e0decd685e8688c1799f686e 100644
--- a/media/gpu/avda_codec_image.h
+++ b/media/gpu/avda_codec_image.h
@@ -28,8 +28,7 @@ class AVDACodecImage : public gpu::gles2::GLStreamTextureImage {
   AVDACodecImage(int picture_buffer_id,
                  const scoped_refptr<AVDASharedState>& shared_state,
                  VideoCodecBridge* codec,
-                 const base::WeakPtr<gpu::gles2::GLES2Decoder>& decoder,
-                 const scoped_refptr<gl::SurfaceTexture>& surface_texture);
+                 const base::WeakPtr<gpu::gles2::GLES2Decoder>& decoder);
 
   // gl::GLImage implementation
   void Destroy(bool have_context) override;
@@ -144,16 +143,12 @@ class AVDACodecImage : public gpu::gles2::GLStreamTextureImage {
 
   const base::WeakPtr<gpu::gles2::GLES2Decoder> decoder_;
 
-  // The SurfaceTexture to render to. This is null when rendering to a
-  // SurfaceView.
-  const scoped_refptr<gl::SurfaceTexture> surface_texture_;
+  // Indicates if we're rendering to a SurfaceTexture or not.
+  const bool has_surface_texture_;
 
   // The texture that we're attached to.
   gpu::gles2::Texture* texture_;
 
-  // Texture matrix of the front buffer of the surface texture.
-  float gl_matrix_[16];
-
   // The picture buffer id attached to this image.
   int picture_buffer_id_;