cc: Start using raster/eviction iterators.

cc/resources/prioritized_tile_set.h

-// 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.
-
-#ifndef CC_RESOURCES_PRIORITIZED_TILE_SET_H_
-#define CC_RESOURCES_PRIORITIZED_TILE_SET_H_
-
-#include <vector>
-
-#include "cc/base/cc_export.h"
-#include "cc/resources/managed_tile_state.h"
-
-namespace cc {
-class Tile;
-
-class CC_EXPORT PrioritizedTileSet {
- public:
-  PrioritizedTileSet();
-  ~PrioritizedTileSet();
-
-  void InsertTile(Tile* tile, ManagedTileBin bin);
-  void Clear();
-  bool IsEmpty();
-
-  class CC_EXPORT Iterator {
-   public:
-    Iterator(PrioritizedTileSet* set, bool use_priority_ordering);
-
-    ~Iterator();
-
-    void DisablePriorityOrdering();
-
-    Iterator& operator++();
-    Tile* operator->() { return *(*this); }
-    Tile* operator*();
-    operator bool() const {
-      return iterator_ != tile_set_->tiles_[current_bin_].end();
-    }
-
-   private:
-    void AdvanceList();
-
-    PrioritizedTileSet* tile_set_;
-    ManagedTileBin current_bin_;
-    std::vector<Tile*>::iterator iterator_;
-    bool use_priority_ordering_;
-  };
-
- private:
-  friend class Iterator;
-
-  void SortBinIfNeeded(ManagedTileBin bin);
-
-  std::vector<Tile*> tiles_[NUM_BINS];
-  bool bin_sorted_[NUM_BINS];
-};
-
-}  // namespace cc
-
-#endif  // CC_RESOURCES_PRIORITIZED_TILE_SET_H_