cc: Make IsReadyToDraw/NeedsRaster usage consistent.

cc/resources/tile.cc

 // Copyright 2012 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 "cc/resources/tile.h"
 
 #include <algorithm>
 
 #include "base/trace_event/trace_event_argument.h"
 #include "cc/base/math_util.h"
@@ skipping 38 matching lines @@
   value->SetDouble("contents_scale", contents_scale_);
 
   MathUtil::AddToTracedValue("content_rect", content_rect_, value);
 
   value->SetInteger("layer_id", layer_id_);
 
   value->BeginDictionary("draw_info");
   draw_info_.AsValueInto(value);
   value->EndDictionary();
 
-  value->SetBoolean("has_resource", HasResource());
-  value->SetBoolean("is_using_gpu_memory", HasResource() || HasRasterTask());
-
+  value->SetBoolean("has_resource", draw_info().has_resource());
+  value->SetBoolean("is_using_gpu_memory",
+                    draw_info().has_resource() || HasRasterTask());
   value->SetInteger("scheduled_priority", scheduled_priority_);
-
   value->SetBoolean("use_picture_analysis", use_picture_analysis());
-
   value->SetInteger("gpu_memory_usage", GPUMemoryUsageInBytes());
 }
 
 size_t Tile::GPUMemoryUsageInBytes() const {
   if (draw_info_.resource_)
     return draw_info_.resource_->bytes();
   return 0;
 }
 
 void Tile::Deleter::operator()(Tile* tile) const {
   TileManager* tile_manager = tile->tile_manager_;
   tile_manager->Release(tile);
 }
 
 }  // namespace cc