Remove old cloud policy code.

chrome/browser/policy/user_policy_token_cache.cc

-// Copyright (c) 2011 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/policy/user_policy_token_cache.h"
-
-#include "base/bind.h"
-#include "base/file_util.h"
-#include "base/metrics/histogram.h"
-#include "chrome/browser/policy/enterprise_metrics.h"
-#include "chrome/browser/policy/proto/device_management_local.pb.h"
-#include "content/public/browser/browser_thread.h"
-
-using content::BrowserThread;
-
-namespace {
-
-// Other places can sample on the same UMA counter, so make sure they all do
-// it on the same thread (UI).
-void SampleUMAOnUIThread(policy::MetricToken sample) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  UMA_HISTOGRAM_ENUMERATION(policy::kMetricToken, sample,
-                            policy::kMetricTokenSize);
-}
-
-void SampleUMA(policy::MetricToken sample) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-                          base::Bind(&SampleUMAOnUIThread, sample));
-}
-
-}  // namespace
-
-namespace policy {
-
-namespace em = enterprise_management;
-
-UserPolicyTokenLoader::Delegate::~Delegate() {}
-
-UserPolicyTokenLoader::UserPolicyTokenLoader(
-    const base::WeakPtr<Delegate>& delegate,
-    const FilePath& cache_file)
-    : delegate_(delegate),
-      cache_file_(cache_file) {}
-
-void UserPolicyTokenLoader::Load() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  BrowserThread::PostTask(
-      BrowserThread::FILE, FROM_HERE,
-      base::Bind(&UserPolicyTokenLoader::LoadOnFileThread, this));
-}
-
-void UserPolicyTokenLoader::Store(const std::string& token,
-                                  const std::string& device_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  BrowserThread::PostTask(
-      BrowserThread::FILE, FROM_HERE,
-      base::Bind(&UserPolicyTokenLoader::StoreOnFileThread,
-                 this,
-                 token,
-                 device_id));
-}
-
-UserPolicyTokenLoader::~UserPolicyTokenLoader() {
-}
-
-void UserPolicyTokenLoader::LoadOnFileThread() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  std::string device_token;
-  std::string device_id;
-
-  if (file_util::PathExists(cache_file_)) {
-    std::string data;
-    em::DeviceCredentials device_credentials;
-    if (file_util::ReadFileToString(cache_file_, &data) &&
-        device_credentials.ParseFromArray(data.c_str(), data.size())) {
-      device_token = device_credentials.device_token();
-      device_id = device_credentials.device_id();
-      SampleUMA(kMetricTokenLoadSucceeded);
-    } else {
-      SampleUMA(kMetricTokenLoadFailed);
-    }
-  }
-
-  BrowserThread::PostTask(
-      BrowserThread::UI, FROM_HERE,
-      base::Bind(&UserPolicyTokenLoader::NotifyOnUIThread,
-                 this,
-                 device_token,
-                 device_id));
-}
-
-void UserPolicyTokenLoader::NotifyOnUIThread(const std::string& token,
-                                             const std::string& device_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  if (delegate_.get())
-    delegate_->OnTokenLoaded(token, device_id);
-}
-
-void UserPolicyTokenLoader::StoreOnFileThread(const std::string& token,
-                                              const std::string& device_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  em::DeviceCredentials device_credentials;
-  device_credentials.set_device_token(token);
-  device_credentials.set_device_id(device_id);
-  std::string data;
-  bool success = device_credentials.SerializeToString(&data);
-  if (!success) {
-    LOG(WARNING) << "Failed serialize device token data, will not write "
-                 << cache_file_.value();
-    SampleUMA(kMetricTokenStoreFailed);
-    return;
-  }
-
-  if (!file_util::CreateDirectory(cache_file_.DirName())) {
-    LOG(WARNING) << "Failed to create directory "
-                 << cache_file_.DirName().value();
-    SampleUMA(kMetricTokenStoreFailed);
-    return;
-  }
-
-  int size = data.size();
-  if (file_util::WriteFile(cache_file_, data.c_str(), size) != size) {
-    LOG(WARNING) << "Failed to write " << cache_file_.value();
-    SampleUMA(kMetricTokenStoreFailed);
-    return;
-  }
-
-  SampleUMA(kMetricTokenStoreSucceeded);
-}
-
-UserPolicyTokenCache::UserPolicyTokenCache(
-    CloudPolicyDataStore* data_store,
-    const FilePath& cache_file)
-    : ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)),
-      data_store_(data_store) {
-  loader_ = new UserPolicyTokenLoader(weak_ptr_factory_.GetWeakPtr(),
-                                      cache_file);
-  data_store_->AddObserver(this);
-}
-
-UserPolicyTokenCache::~UserPolicyTokenCache() {
-  if (data_store_)
-    data_store_->RemoveObserver(this);
-}
-
-void UserPolicyTokenCache::Load() {
-  loader_->Load();
-}
-
-void UserPolicyTokenCache::OnTokenLoaded(const std::string& token,
-                                         const std::string& device_id) {
-  token_ = token;
-  if (data_store_) {
-    data_store_->set_device_id(device_id);
-    data_store_->SetDeviceToken(token, true);
-  }
-}
-
-void UserPolicyTokenCache::OnDeviceTokenChanged() {
-  const std::string& new_token(data_store_->device_token());
-  if (!new_token.empty() && !data_store_->device_id().empty()) {
-    if (token_ == new_token)
-      return;
-
-    token_ = new_token;
-    loader_->Store(new_token, data_store_->device_id());
-  }
-}
-
-void UserPolicyTokenCache::OnCredentialsChanged() {
-}
-
-}  // namespace policy