Componentize conversion of content::FaviconURL to favicon::FaviconURL

components/favicon/content/favicon_url_util.cc

+// Copyright 2015 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 "components/favicon/content/favicon_url_util.h"
+
+#include <algorithm>
+#include <iterator>
+
+#include "components/favicon/core/favicon_url.h"
+#include "components/favicon_base/favicon_types.h"
+#include "content/public/common/favicon_url.h"
+
+namespace favicon {
+namespace {
+
+favicon_base::IconType IconTypeFromContentIconType(
+    content::FaviconURL::IconType icon_type) {
+  switch (icon_type) {
+    case content::FaviconURL::FAVICON:
+      return favicon_base::FAVICON;
+    case content::FaviconURL::TOUCH_ICON:
+      return favicon_base::TOUCH_ICON;
+    case content::FaviconURL::TOUCH_PRECOMPOSED_ICON:
+      return favicon_base::TOUCH_PRECOMPOSED_ICON;
+    case content::FaviconURL::INVALID_ICON:
+      return favicon_base::INVALID_ICON;
+  }
+  NOTREACHED();
+  return favicon_base::INVALID_ICON;
+}
+
+}  // namespace
+
+FaviconURL FaviconURLFromContentFaviconURL(
+    const content::FaviconURL& favicon_url) {
+  return FaviconURL(favicon_url.icon_url,
+                    IconTypeFromContentIconType(favicon_url.icon_type),
+                    favicon_url.icon_sizes);
+}
+
+std::vector<FaviconURL> FaviconURLsFromContentFaviconURLs(
+    const std::vector<content::FaviconURL>& favicon_urls) {
+  std::vector<FaviconURL> result;
+  result.reserve(favicon_urls.size());
+  std::transform(favicon_urls.begin(), favicon_urls.end(),
+                 std::back_inserter(result), FaviconURLFromContentFaviconURL);
+  return result;
+}
+
+}  // namespace favicon