Move extension_icon_set.{h,cc} to //extensions

chrome/common/extensions/extension_icon_set.h

-// Copyright (c) 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.
-
-#ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_ICON_SET_H_
-#define CHROME_COMMON_EXTENSIONS_EXTENSION_ICON_SET_H_
-
-#include <map>
-#include <string>
-
-// Represents the set of icons for an extension.
-class ExtensionIconSet {
- public:
-  // Get an icon from the set, optionally falling back to a smaller or bigger
-  // size. MatchType is exclusive (do not OR them together).
-  enum MatchType {
-    MATCH_EXACTLY,
-    MATCH_BIGGER,
-    MATCH_SMALLER
-  };
-
-  // Access to the underlying map from icon size->{path, bitmap}.
-  typedef std::map<int, std::string> IconMap;
-
-  ExtensionIconSet();
-  ~ExtensionIconSet();
-
-  const IconMap& map() const { return map_; }
-  bool empty() const { return map_.empty(); }
-
-  // Remove all icons from the set.
-  void Clear();
-
-  // Add an icon path to the set. If a path for the specified size is already
-  // present, it is overwritten.
-  void Add(int size, const std::string& path);
-
-  // Gets path value of the icon found when searching for |size| using
-  // |mathc_type|.
-  std::string Get(int size, MatchType match_type) const;
-
-  // Returns true iff the set contains the specified path.
-  bool ContainsPath(const std::string& path) const;
-
-  // Returns icon size if the set contains the specified path or 0 if not found.
-  int GetIconSizeFromPath(const std::string& path) const;
-
- private:
-  IconMap map_;
-};
-
-#endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_ICON_SET_H_