move 'web_accessible_resources' parsing out of Extension class.

chrome/browser/extensions/web_accessible_resources_parser.cc

+// Copyright (c) 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.
+
+#include "chrome/browser/extensions/web_accessible_resources_parser.h"
+
+#include "base/lazy_instance.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/extensions/extension_manifest_constants.h"
+#include "chrome/common/extensions/manifest_handler.h"
+#include "chrome/common/extensions/web_accessible_resources_handler.h"
+
+namespace extensions {
+
+WebAccessibleResourcesParser::WebAccessibleResourcesParser(Profile* profile) {
+  ManifestHandler::Register(extension_manifest_keys::kWebAccessibleResources,
+                            new WebAccessibleResourcesHandler);
+}
+
+WebAccessibleResourcesParser::~WebAccessibleResourcesParser() {
+}
+
+static base::LazyInstance<ProfileKeyedAPIFactory<WebAccessibleResourcesParser> >
+g_factory = LAZY_INSTANCE_INITIALIZER;
+
+// static
+ProfileKeyedAPIFactory<WebAccessibleResourcesParser>*
+    WebAccessibleResourcesParser::GetFactoryInstance() {
+  return &g_factory.Get();
+}
+
+}  // namespace extensions