Move FTP LIST parsing code to the renderer process.

chrome/common/net/net_resource_provider.cc

+// Copyright (c) 2009 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/net/net_resource_provider.h"
+
+#include <string>
+
+#include "app/l10n_util.h"
+#include "app/resource_bundle.h"
+#include "base/string_piece.h"
+#include "base/values.h"
+#include "chrome/common/jstemplate_builder.h"
+#include "grit/generated_resources.h"
+#include "grit/net_resources.h"
+
+namespace {
+
+// The net module doesn't have access to this HTML or the strings that need to
+// be localized.  The Chrome locale will never change while we're running, so
+// it's safe to have a static string that we always return a pointer into.
+// This allows us to have the ResourceProvider return a pointer into the actual
+// resource (via a StringPiece), instead of always copying resources.
+struct LazyDirectoryListerCacher {
+  LazyDirectoryListerCacher() {
+    DictionaryValue value;
+    value.SetString(L"header",
+                    l10n_util::GetString(IDS_DIRECTORY_LISTING_HEADER));
+    value.SetString(L"parentDirText",
+                    l10n_util::GetString(IDS_DIRECTORY_LISTING_PARENT));
+    value.SetString(L"headerName",
+                    l10n_util::GetString(IDS_DIRECTORY_LISTING_NAME));
+    value.SetString(L"headerSize",
+                    l10n_util::GetString(IDS_DIRECTORY_LISTING_SIZE));
+    value.SetString(L"headerDateModified",
+                    l10n_util::GetString(IDS_DIRECTORY_LISTING_DATE_MODIFIED));
+    html_data = jstemplate_builder::GetI18nTemplateHtml(
+        ResourceBundle::GetSharedInstance().GetRawDataResource(
+            IDR_DIR_HEADER_HTML),
+        &value);
+  }
+
+  std::string html_data;
+};
+
+}  // namespace
+
+namespace chrome_common_net {
+
+base::StringPiece NetResourceProvider(int key) {
+  static LazyDirectoryListerCacher lazy_dir_lister;
+
+  if (IDR_DIR_HEADER_HTML == key)
+    return base::StringPiece(lazy_dir_lister.html_data);
+
+  return ResourceBundle::GetSharedInstance().GetRawDataResource(key);
+}
+
+}  // namespace chrome_common_net