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

chrome/common/extensions/extension_icon_set.cc

-// 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.
-
-#include "chrome/common/extensions/extension_icon_set.h"
-
-#include "base/logging.h"
-
-ExtensionIconSet::ExtensionIconSet() {}
-
-ExtensionIconSet::~ExtensionIconSet() {}
-
-void ExtensionIconSet::Clear() {
-  map_.clear();
-}
-
-void ExtensionIconSet::Add(int size, const std::string& path) {
-  DCHECK(!path.empty() && path[0] != '/');
-  map_[size] = path;
-}
-
-std::string ExtensionIconSet::Get(int size, MatchType match_type) const {
-  // The searches for MATCH_BIGGER and MATCH_SMALLER below rely on the fact that
-  // std::map is sorted. This is per the spec, so it should be safe to rely on.
-  if (match_type == MATCH_EXACTLY) {
-    IconMap::const_iterator result = map_.find(size);
-    return result == map_.end() ? std::string() : result->second;
-  } else if (match_type == MATCH_SMALLER) {
-    IconMap::const_reverse_iterator result = map_.rend();
-    for (IconMap::const_reverse_iterator iter = map_.rbegin();
-         iter != map_.rend(); ++iter) {
-      if (iter->first <= size) {
-        result = iter;
-        break;
-      }
-    }
-    return result == map_.rend() ? std::string() : result->second;
-  } else {
-    DCHECK(match_type == MATCH_BIGGER);
-    IconMap::const_iterator result = map_.end();
-    for (IconMap::const_iterator iter = map_.begin(); iter != map_.end();
-         ++iter) {
-      if (iter->first >= size) {
-        result = iter;
-        break;
-      }
-    }
-    return result == map_.end() ? std::string() : result->second;
-  }
-}
-
-bool ExtensionIconSet::ContainsPath(const std::string& path) const {
-  return GetIconSizeFromPath(path) != 0;
-}
-
-int ExtensionIconSet::GetIconSizeFromPath(const std::string& path) const {
-  if (path.empty())
-    return 0;
-
-  DCHECK(path[0] != '/') <<
-      "ExtensionIconSet stores icon paths without leading slash.";
-
-  for (IconMap::const_iterator iter = map_.begin(); iter != map_.end();
-       ++iter) {
-    if (iter->second == path)
-      return iter->first;
-  }
-
-  return 0;
-}