Move the parsing of app.launch related keys out of Extension class.

chrome/browser/extensions/app_launch_manifest_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/app_launch_manifest_parser.h"
+
+#include "base/lazy_instance.h"
+#include "chrome/common/extensions/app_launcher_info.h"
+
+namespace extensions {
+
+AppLaunchManifestParser::AppLaunchManifestParser(Profile* profile) {
+  (new AppLaunchManifestHandler)->Register();
+}
+
+AppLaunchManifestParser::~AppLaunchManifestParser() {
+}
+
+static base::LazyInstance<ProfileKeyedAPIFactory<AppLaunchManifestParser> >
+    g_factory = LAZY_INSTANCE_INITIALIZER;
+
+// static
+ProfileKeyedAPIFactory<AppLaunchManifestParser>*
+AppLaunchManifestParser::GetFactoryInstance() {
+  return &g_factory.Get();
+}
+
+}  // namespace extensions