Revert of Non-plafrom-specific part of an OwnerSettingsService is moved to components/ownership/*. (patchset #4 id:60001 of https://codereview.chromium.org/548323003/)

Reason for revert:
Breaks compile on multiple bots:

http://build.chromium.org/p/chromium.win/builders/Win%20Builder%20%28dbg%29/builds/3134
http://build.chromium.org/p/chromium.mac/builders/Mac%20Builder%20%28dbg%29/builds/73424
http://build.chromium.org/p/chromium.webkit/builders/GPU%20Win%20Builder%20%28dbg%29/builds/13365

Original issue's description:
> Non-plafrom-specific part of an OwnerSettingsService is moved to components/ownership/*.
>
> BUG=398856
> TEST=existing browser_tests and unit_tests
> R=erg@chromium.org, jochen@chromium.org, nkostylev@chromium.org, pastarmovj@chromium.org
>
> Committed: https://chromium.googlesource.com/chromium/src/+/46a58bffbe303d3484d7cc288b47bfae5388109c

TBR=jochen@chromium.org,erg@chromium.org,nkostylev@chromium.org,pastarmovj@chromium.org,ygorshenin@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=398856

Review URL: https://codereview.chromium.org/565293003

Cr-Commit-Position: refs/heads/master@{#294618}

4 files changed, 0 insertions, 226 deletions

diff --git a/components/ownership/BUILD.gn b/components/ownership/BUILD.gn
index 5ef09b2..067f71f 100644
--- a/components/ownership/BUILD.gn
+++ b/components/ownership/BUILD.gn
@@ -10,8 +10,6 @@ component("ownership") {
     "owner_key_util.h",
     "owner_key_util_impl.cc",
     "owner_key_util_impl.h",
-    "owner_settings_service.cc",
-    "owner_settings_service.h",
   ]
 
   defines = [
@@ -20,8 +18,6 @@ component("ownership") {
 
   deps = [
     "//base",
-    "//components/keyed_service/core",
-    "//components/policy/proto",
     "//crypto",
   ]
 }
diff --git a/components/ownership/DEPS b/components/ownership/DEPS
index 719e7d0..bc55362 100644
--- a/components/ownership/DEPS
+++ b/components/ownership/DEPS
@@ -1,5 +1,3 @@
 include_rules = [
-"+components/keyed_service",
 "+crypto",
-"+policy",
 ]
diff --git a/components/ownership/owner_settings_service.cc b/components/ownership/owner_settings_service.cc
deleted file mode 100644
index 09c88d3..0000000
--- a/components/ownership/owner_settings_service.cc
+++ /dev/null
@@ -1,118 +0,0 @@
-// Copyright 2014 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 "components/ownership/owner_settings_service.h"
-
-#include "base/basictypes.h"
-#include "base/bind.h"
-#include "base/callback.h"
-#include "base/location.h"
-#include "base/logging.h"
-#include "base/message_loop/message_loop.h"
-#include "base/task_runner.h"
-#include "base/task_runner_util.h"
-#include "components/ownership/owner_key_util.h"
-#include "crypto/signature_creator.h"
-
-namespace em = enterprise_management;
-
-namespace ownership {
-
-namespace {
-
-std::string AssembleAndSignPolicy(scoped_ptr<em::PolicyData> policy,
-                                  crypto::RSAPrivateKey* private_key) {
-  // Assemble the policy.
-  em::PolicyFetchResponse policy_response;
-  if (!policy->SerializeToString(policy_response.mutable_policy_data())) {
-    LOG(ERROR) << "Failed to encode policy payload.";
-    return std::string();
-  }
-
-  // Generate the signature.
-  scoped_ptr<crypto::SignatureCreator> signature_creator(
-      crypto::SignatureCreator::Create(private_key));
-  signature_creator->Update(
-      reinterpret_cast<const uint8*>(policy_response.policy_data().c_str()),
-      policy_response.policy_data().size());
-  std::vector<uint8> signature_bytes;
-  std::string policy_blob;
-  if (!signature_creator->Final(&signature_bytes)) {
-    LOG(ERROR) << "Failed to create policy signature.";
-    return std::string();
-  }
-
-  policy_response.mutable_policy_data_signature()->assign(
-      reinterpret_cast<const char*>(vector_as_array(&signature_bytes)),
-      signature_bytes.size());
-  return policy_response.SerializeAsString();
-}
-
-}  // namepace
-
-OwnerSettingsService::OwnerSettingsService(
-    const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util)
-    : owner_key_util_(owner_key_util), weak_factory_(this) {
-}
-
-OwnerSettingsService::~OwnerSettingsService() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-}
-
-bool OwnerSettingsService::IsOwner() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  return private_key_.get() && private_key_->key();
-}
-
-void OwnerSettingsService::IsOwnerAsync(const IsOwnerCallback& callback) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  if (private_key_.get()) {
-    base::MessageLoop::current()->PostTask(FROM_HERE,
-                                           base::Bind(callback, IsOwner()));
-  } else {
-    pending_is_owner_callbacks_.push_back(callback);
-  }
-}
-
-bool OwnerSettingsService::AssembleAndSignPolicyAsync(
-    base::TaskRunner* task_runner,
-    scoped_ptr<em::PolicyData> policy,
-    const AssembleAndSignPolicyAsyncCallback& callback) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  if (!task_runner || !IsOwner())
-    return false;
-  return base::PostTaskAndReplyWithResult(
-      task_runner,
-      FROM_HERE,
-      base::Bind(
-          &AssembleAndSignPolicy, base::Passed(&policy), private_key_->key()),
-      callback);
-}
-
-void OwnerSettingsService::ReloadKeypair() {
-  ReloadKeypairImpl(
-      base::Bind(&OwnerSettingsService::OnKeypairLoaded, as_weak_ptr()));
-}
-
-void OwnerSettingsService::OnKeypairLoaded(
-    const scoped_refptr<PublicKey>& public_key,
-    const scoped_refptr<PrivateKey>& private_key) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-
-  public_key_ = public_key;
-  private_key_ = private_key;
-
-  const bool is_owner = IsOwner();
-  std::vector<IsOwnerCallback> is_owner_callbacks;
-  is_owner_callbacks.swap(pending_is_owner_callbacks_);
-  for (std::vector<IsOwnerCallback>::iterator it(is_owner_callbacks.begin());
-       it != is_owner_callbacks.end();
-       ++it) {
-    it->Run(is_owner);
-  }
-
-  OnPostKeypairLoadedActions();
-}
-
-}  // namespace ownership
diff --git a/components/ownership/owner_settings_service.h b/components/ownership/owner_settings_service.h
deleted file mode 100644
index ed4a1b5..0000000
--- a/components/ownership/owner_settings_service.h
+++ /dev/null
@@ -1,102 +0,0 @@
-// Copyright 2014 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.
-
-#ifndef COMPONENTS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_
-#define COMPONENTS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_
-
-#include <string>
-#include <vector>
-
-#include "base/callback_forward.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/threading/thread_checker.h"
-#include "components/keyed_service/core/keyed_service.h"
-#include "components/ownership/ownership_export.h"
-#include "policy/proto/device_management_backend.pb.h"
-
-namespace base {
-class TaskRunner;
-}
-
-namespace ownership {
-class OwnerKeyUtil;
-class PrivateKey;
-class PublicKey;
-
-// This class is a common interface for platform-specific classes
-// which deal with ownership, keypairs and owner-related settings.
-class OWNERSHIP_EXPORT OwnerSettingsService : public KeyedService {
- public:
-  typedef base::Callback<void(std::string policy_blob)>
-      AssembleAndSignPolicyAsyncCallback;
-
-  typedef base::Callback<void(bool is_owner)> IsOwnerCallback;
-
-  explicit OwnerSettingsService(
-      const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util);
-  virtual ~OwnerSettingsService();
-
-  base::WeakPtr<OwnerSettingsService> as_weak_ptr() {
-    return weak_factory_.GetWeakPtr();
-  }
-
-  // Returns whether current user is owner or not. When this method
-  // is called too early, incorrect result can be returned because
-  // private key loading may be in progress.
-  bool IsOwner();
-
-  // Determines whether current user is owner or not, responds via
-  // |callback|.
-  void IsOwnerAsync(const IsOwnerCallback& callback);
-
-  // Assembles and signs |policy| on the |task_runner|, responds on
-  // the original thread via |callback|.
-  bool AssembleAndSignPolicyAsync(
-      base::TaskRunner* task_runner,
-      scoped_ptr<enterprise_management::PolicyData> policy,
-      const AssembleAndSignPolicyAsyncCallback& callback);
-
-  // Signs |settings| with the private half of the owner key and sends
-  // the resulting policy blob for storage. The
-  // result of the operation is reported through |callback|.
-  virtual void SignAndStorePolicyAsync(
-      scoped_ptr<enterprise_management::PolicyData> policy,
-      const base::Closure& callback) = 0;
-
- protected:
-  void ReloadKeypair();
-
-  void OnKeypairLoaded(const scoped_refptr<PublicKey>& public_key,
-                       const scoped_refptr<PrivateKey>& private_key);
-
-  // Platform-specific keypair loading algorithm.
-  virtual void ReloadKeypairImpl(const base::Callback<
-      void(const scoped_refptr<PublicKey>& public_key,
-           const scoped_refptr<PrivateKey>& private_key)>& callback) = 0;
-
-  // Plafrom-specific actions which should be performed when keypair is loaded.
-  virtual void OnPostKeypairLoadedActions() = 0;
-
-  scoped_refptr<ownership::PublicKey> public_key_;
-
-  scoped_refptr<ownership::PrivateKey> private_key_;
-
-  scoped_refptr<ownership::OwnerKeyUtil> owner_key_util_;
-
-  std::vector<IsOwnerCallback> pending_is_owner_callbacks_;
-
-  base::ThreadChecker thread_checker_;
-
- private:
-  base::WeakPtrFactory<OwnerSettingsService> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(OwnerSettingsService);
-};
-
-}  // namespace ownership
-
-#endif  // COMPONENTS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_