Consolidate manifest handler registration.

chrome/browser/extensions/csp_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/csp_parser.h"
-
-#include "base/lazy_instance.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/common/extensions/csp_handler.h"
-#include "chrome/common/extensions/manifest_handlers/sandboxed_page_info.h"
-
-namespace extensions {
-
-CSPParser::CSPParser(Profile* profile) {
-  (new CSPHandler(false))->Register();  // not platform app.
-  (new CSPHandler(true))->Register();  // platform app.
-  (new SandboxedPageHandler)->Register();
-}
-
-CSPParser::~CSPParser() {
-}
-
-static base::LazyInstance<ProfileKeyedAPIFactory<CSPParser> >
-    g_factory = LAZY_INSTANCE_INITIALIZER;
-
-// static
-ProfileKeyedAPIFactory<CSPParser>* CSPParser::GetFactoryInstance() {
-  return &g_factory.Get();
-}
-
-}  // namespace extensions