Rename the PolicyManager to UpdateManager.

This change renames the PolicyManager class, directory, tests, etc,
to avoid confusion with libpolicy and its classes.

BUG=chromium:373551
TEST=emerged on link.
CQ-DEPEND=CL:I43081673c7ba409f02273197da7915537bde39c6

Change-Id: Iffa76caa3b95ecbbdba87ab01006d1d8ce35a27f
Reviewed-on: https://chromium-review.googlesource.com/201876
Tested-by: Alex Deymo <deymo@chromium.org>
Reviewed-by: David Zeuthen <zeuthen@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
diff --git a/update_manager/state_factory.cc b/update_manager/state_factory.cc
new file mode 100644
index 0000000..6aa1761
--- /dev/null
+++ b/update_manager/state_factory.cc
@@ -0,0 +1,59 @@
+// Copyright (c) 2014 The Chromium OS 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 "update_engine/update_manager/state_factory.h"
+
+#include <base/logging.h>
+#include <base/memory/scoped_ptr.h>
+
+#include "update_engine/clock_interface.h"
+#include "update_engine/update_manager/real_config_provider.h"
+#include "update_engine/update_manager/real_device_policy_provider.h"
+#include "update_engine/update_manager/real_random_provider.h"
+#include "update_engine/update_manager/real_shill_provider.h"
+#include "update_engine/update_manager/real_state.h"
+#include "update_engine/update_manager/real_system_provider.h"
+#include "update_engine/update_manager/real_time_provider.h"
+#include "update_engine/update_manager/real_updater_provider.h"
+
+namespace chromeos_update_manager {
+
+State* DefaultStateFactory(policy::PolicyProvider* policy_provider,
+                           chromeos_update_engine::DBusWrapperInterface* dbus,
+                           chromeos_update_engine::SystemState* system_state) {
+  chromeos_update_engine::ClockInterface* const clock = system_state->clock();
+  scoped_ptr<RealConfigProvider> config_provider(
+      new RealConfigProvider(system_state->hardware()));
+  scoped_ptr<RealDevicePolicyProvider> device_policy_provider(
+      new RealDevicePolicyProvider(policy_provider));
+  scoped_ptr<RealRandomProvider> random_provider(new RealRandomProvider());
+  scoped_ptr<RealShillProvider> shill_provider(
+      new RealShillProvider(dbus, clock));
+  scoped_ptr<RealSystemProvider> system_provider(
+      new RealSystemProvider(system_state->hardware()));
+  scoped_ptr<RealTimeProvider> time_provider(new RealTimeProvider(clock));
+  scoped_ptr<RealUpdaterProvider> updater_provider(
+      new RealUpdaterProvider(system_state));
+
+  if (!(config_provider->Init() &&
+        device_policy_provider->Init() &&
+        random_provider->Init() &&
+        shill_provider->Init() &&
+        system_provider->Init() &&
+        time_provider->Init() &&
+        updater_provider->Init())) {
+    LOG(ERROR) << "Error initializing providers";
+    return NULL;
+  }
+
+  return new RealState(config_provider.release(),
+                       device_policy_provider.release(),
+                       random_provider.release(),
+                       shill_provider.release(),
+                       system_provider.release(),
+                       time_provider.release(),
+                       updater_provider.release());
+}
+
+}  // namespace chromeos_update_manager