Store AVDACodecImage list in shared state, cleanup callers.

content/common/gpu/media/avda_shared_state.cc

 // 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.
 
 #include "content/common/gpu/media/avda_shared_state.h"
 
 #include "base/time/time.h"
+#include "content/common/gpu/media/avda_codec_image.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/scoped_make_current.h"
 
 namespace content {
 
 AVDASharedState::AVDASharedState()
     : surface_texture_service_id_(0),
       frame_available_event_(false, false),
       surface_texture_is_attached_(false) {}
 
@@ skipping 18 matching lines @@
 
   surface_texture_is_attached_ = true;
 }
 
 void AVDASharedState::DidDetachSurfaceTexture() {
   context_ = nullptr;
   surface_ = nullptr;
   surface_texture_is_attached_ = false;
 }
 
+void AVDASharedState::CodecChanged(media::MediaCodecBridge* codec) {
+  for (auto& image_kv : codec_images_)
+    image_kv.second->SetMediaCodec(codec);
+}
+
+void AVDASharedState::SetImageForPicture(int picture_buffer_id,
+                                         AVDACodecImage* image) {
+  DCHECK(codec_images_.find(picture_buffer_id) == codec_images_.end());
+  codec_images_[picture_buffer_id] = image;
+}
+
+AVDACodecImage* AVDASharedState::GetImageForPicture(
+    int picture_buffer_id) const {
+  auto it = codec_images_.find(picture_buffer_id);
+  return it == codec_images_.end() ? nullptr : it->second;
+}
+
+void AVDASharedState::EraseImage(const AVDACodecImage* image) {
+  for (auto it = codec_images_.begin(); it != codec_images_.end(); ++it) {
+    if (it->second == image) {
+      codec_images_.erase(it);
+      return;
+    }
+  }
+}
+
 }  // namespace content