Create a RegisterViewAssociate method in ViewManager

services/gfx/compositor/compositor_engine.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 "services/gfx/compositor/compositor_engine.h"
 
 #include <algorithm>
 #include <sstream>
 #include <utility>
 
@@ skipping 65 matching lines @@
   for (auto& pair : scenes_by_token_) {
     SceneState* other_scene_state = pair.second;
     other_scene_state->scene_def()->NotifySceneUnavailable(
         scene_state->scene_token(),
         base::Bind(&CompositorEngine::SendResourceUnavailable,
                    base::Unretained(this),
                    base::Unretained(other_scene_state)));
   }
 
   // Destroy any renderers using this scene.
+  std::vector<RendererState*> renderers_to_destroy;
   for (auto& renderer : renderers_) {
     if (renderer->root_scene() == scene_state) {
-      LOG(ERROR) << "Destroying renderer whose root scene has become "
-                    "unavailable: renderer="
-                 << renderer;
-      DestroyRenderer(renderer);
+      renderers_to_destroy.emplace_back(renderer);
     }
   }
+  for (auto& renderer : renderers_to_destroy) {
+    LOG(ERROR) << "Destroying renderer whose root scene has become "
+                  "unavailable: renderer="
+               << renderer;
+    DestroyRenderer(renderer);
+  }
 
   // Consider all dependent rendering to be invalidated.
   universe_.RemoveScene(scene_state->scene_token());
   InvalidateScene(scene_state);
 
   // Remove from registry.
   scenes_by_token_.erase(scene_state->scene_token().value);
   delete scene_state;
 }
 
@@ skipping 369 matching lines @@
 
   SceneDef::Disposition disposition =
       PresentScene(scene_state, presentation_time);
   if (disposition == SceneDef::Disposition::kFailed)
     DestroyScene(scene_state);
   else if (disposition == SceneDef::Disposition::kSucceeded)
     InvalidateScene(scene_state);
 }
 
 }  // namespace compositor