Delete most web intents code.

chrome/browser/extensions/web_intents_parser.cc

-// Copyright (c) 2012 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_intents_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_intents_handler.h"
-
-namespace extensions {
-
-WebIntentsParser::WebIntentsParser(Profile* profile) {
-  ManifestHandler::Register(extension_manifest_keys::kIntents,
-                            make_linked_ptr(new WebIntentsHandler));
-}
-
-WebIntentsParser::~WebIntentsParser() {
-}
-
-static base::LazyInstance<ProfileKeyedAPIFactory<WebIntentsParser> >
-g_factory = LAZY_INSTANCE_INITIALIZER;
-
-// static
-ProfileKeyedAPIFactory<WebIntentsParser>*
-    WebIntentsParser::GetFactoryInstance() {
-  return &g_factory.Get();
-}
-
-}  // namespace extensions