cc: Make IsReadyToDraw/NeedsRaster usage consistent.

cc/test/fake_picture_layer_impl.cc

 // Copyright 2013 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/test/fake_picture_layer_impl.h"
 
 #include <vector>
 #include "cc/resources/tile.h"
 #include "cc/trees/layer_tree_impl.h"
 
@@ skipping 149 matching lines @@
   std::vector<Tile*> tiles = tiling->AllTilesForTesting();
   for (size_t tile_idx = 0; tile_idx < tiles.size(); ++tile_idx) {
     Tile* tile = tiles[tile_idx];
     SetTileReady(tile);
   }
 }
 
 void FakePictureLayerImpl::SetTileReady(Tile* tile) {
   TileDrawInfo& draw_info = tile->draw_info();
   draw_info.SetSolidColorForTesting(true);
-  DCHECK(tile->IsReadyToDraw());
+  DCHECK(draw_info.IsReadyToDraw());
 }
 
 void FakePictureLayerImpl::DidBecomeActive() {
   PictureLayerImpl::DidBecomeActive();
   ++did_become_active_call_count_;
 }
 
 bool FakePictureLayerImpl::HasValidTilePriorities() const {
   return use_set_valid_tile_priorities_flag_
              ? has_valid_tile_priorities_
@@ skipping 56 matching lines @@
 
   return CountTilesRequired(&PictureLayerTiling::IsTileRequiredForDraw);
 }
 
 void FakePictureLayerImpl::ReleaseResources() {
   PictureLayerImpl::ReleaseResources();
   ++release_resources_count_;
 }
 
 }  // namespace cc