Still produce quad when tile OOM and on demand raster is not allowed

cc/trees/layer_tree_host_impl.h

 // Copyright 2011 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 CC_TREES_LAYER_TREE_HOST_IMPL_H_
 #define CC_TREES_LAYER_TREE_HOST_IMPL_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 498 matching lines @@
   const AnimationRegistrar::AnimationControllerMap&
       active_animation_controllers() const {
     return animation_registrar_->active_animation_controllers();
   }
 
   bool manage_tiles_needed() const { return tile_priorities_dirty_; }
 
   LayerTreeHostImplClient* client_;
   Proxy* proxy_;
 
+  scoped_ptr<TileManager> tile_manager_;
+
  private:
   void CreateAndSetRenderer();
   void CreateAndSetTileManager();
   void DestroyTileManager();
   void ReleaseTreeResources();
   void EnforceZeroBudget(bool zero_budget);
 
   bool UsePendingTreeForSync() const;
   bool UseZeroCopyTextureUpload() const;
   bool UseOneCopyTextureUpload() const;
@@ skipping 55 matching lines @@
   // from this when they are touched by a create or destroy from the UI resource
   // request queue.
   std::set<UIResourceId> evicted_ui_resources_;
 
   scoped_ptr<OutputSurface> output_surface_;
   scoped_refptr<ContextProvider> offscreen_context_provider_;
 
   // |resource_provider_| and |tile_manager_| can be NULL, e.g. when using tile-
   // free rendering - see OutputSurface::ForcedDrawToSoftwareDevice().
   scoped_ptr<ResourceProvider> resource_provider_;
-  scoped_ptr<TileManager> tile_manager_;
   bool use_gpu_rasterization_;
   scoped_ptr<RasterWorkerPool> raster_worker_pool_;
   scoped_ptr<ResourcePool> resource_pool_;
   scoped_ptr<ResourcePool> staging_resource_pool_;
   scoped_ptr<Renderer> renderer_;
 
   TaskGraphRunner synchronous_task_graph_runner_;
   TaskGraphRunner* on_demand_task_graph_runner_;
   NamespaceToken on_demand_task_namespace_;
 
@@ skipping 112 matching lines @@
 
   std::vector<PictureLayerImpl*> picture_layers_;
   std::vector<PictureLayerImpl::Pair> picture_layer_pairs_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_IMPL_H_