Get rid of RequestRegistry (part 6): get rid of RequestRegistry.

chrome/browser/google_apis/request_registry.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/google_apis/request_registry.h"
-
-namespace google_apis {
-
-RequestRegistry::Request::Request(RequestRegistry* registry)
-    : registry_(registry), id_(-1) {
-}
-
-RequestRegistry::Request::~Request() {
-}
-
-void RequestRegistry::Request::NotifyStart() {
-  registry_->OnRequestStart(this, &id_);
-}
-
-void RequestRegistry::Request::NotifyFinish() {
-  registry_->OnRequestFinish(id_);
-}
-
-RequestRegistry::RequestRegistry() {
-  in_flight_requests_.set_check_on_null_data(true);
-}
-
-RequestRegistry::~RequestRegistry() {
-}
-
-void RequestRegistry::OnRequestStart(
-    RequestRegistry::Request* request,
-    RequestID* id) {
-  *id = in_flight_requests_.Add(request);
-}
-
-void RequestRegistry::OnRequestFinish(RequestID id) {
-  if (in_flight_requests_.Lookup(id))
-    in_flight_requests_.Remove(id);
-}
-
-}  // namespace google_apis