Remove unused field save_rollback_data am: 399bd4dae1 am: 99f428ff1e

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/3391041

Change-Id: I0dfaeff40684d44e552126296f37bd0e9e392d17
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/aosp/hardware_android.cc b/aosp/hardware_android.cc
index 29d742f..dd39fdd 100644
--- a/aosp/hardware_android.cc
+++ b/aosp/hardware_android.cc
@@ -213,10 +213,8 @@
   return 0;
 }
 
-bool HardwareAndroid::SchedulePowerwash(bool save_rollback_data) {
+bool HardwareAndroid::SchedulePowerwash() {
   LOG(INFO) << "Scheduling a powerwash to BCB.";
-  LOG_IF(WARNING, save_rollback_data) << "save_rollback_data was true but "
-                                      << "isn't supported.";
   string err;
   if (!update_bootloader_message({"--wipe_data", "--reason=wipe_data_from_ota"},
                                  &err)) {
diff --git a/aosp/hardware_android.h b/aosp/hardware_android.h
index cb655c9..b071e06 100644
--- a/aosp/hardware_android.h
+++ b/aosp/hardware_android.h
@@ -18,13 +18,11 @@
 #define UPDATE_ENGINE_AOSP_HARDWARE_ANDROID_H_
 
 #include <string>
-#include <string_view>
 
 #include <android-base/macros.h>
 #include <base/time/time.h>
 
 #include "update_engine/common/error_code.h"
-#include "update_engine/common/hardware.h"
 #include "update_engine/common/hardware_interface.h"
 
 namespace chromeos_update_engine {
@@ -49,7 +47,7 @@
   bool SetMaxFirmwareKeyRollforward(int firmware_max_rollforward) override;
   bool SetMaxKernelKeyRollforward(int kernel_max_rollforward) override;
   int GetPowerwashCount() const override;
-  bool SchedulePowerwash(bool save_rollback_data) override;
+  bool SchedulePowerwash() override;
   bool CancelPowerwash() override;
   bool GetNonVolatileDirectory(base::FilePath* path) const override;
   bool GetPowerwashSafeDirectory(base::FilePath* path) const override;
diff --git a/common/fake_hardware.h b/common/fake_hardware.h
index 6c25183..3b68958 100644
--- a/common/fake_hardware.h
+++ b/common/fake_hardware.h
@@ -107,15 +107,13 @@
 
   int GetPowerwashCount() const override { return powerwash_count_; }
 
-  bool SchedulePowerwash(bool save_rollback_data) override {
+  bool SchedulePowerwash() override {
     powerwash_scheduled_ = true;
-    save_rollback_data_ = save_rollback_data;
     return true;
   }
 
   bool CancelPowerwash() override {
     powerwash_scheduled_ = false;
-    save_rollback_data_ = false;
     return true;
   }
 
diff --git a/common/hardware_interface.h b/common/hardware_interface.h
index 4e820f1..1b146d1 100644
--- a/common/hardware_interface.h
+++ b/common/hardware_interface.h
@@ -100,9 +100,8 @@
   virtual int GetPowerwashCount() const = 0;
 
   // Signals that a powerwash (stateful partition wipe) should be performed
-  // after reboot. If |save_rollback_data| is true additional state is
-  // preserved during shutdown that can be restored after the powerwash.
-  virtual bool SchedulePowerwash(bool save_rollback_data) = 0;
+  // after reboot.
+  virtual bool SchedulePowerwash() = 0;
 
   // Cancel the powerwash operation scheduled to be performed on next boot.
   virtual bool CancelPowerwash() = 0;
diff --git a/common/test_utils.h b/common/test_utils.h
index b85f80d..2a582b1 100644
--- a/common/test_utils.h
+++ b/common/test_utils.h
@@ -175,7 +175,7 @@
 // This is a simple Action class for testing. It feeds an object into
 // another action.
 template <typename T>
-class ObjectFeederAction : public Action<ObjectFeederAction<T>> {
+class ObjectFeederAction final : public Action<ObjectFeederAction<T>> {
  public:
   typedef NoneType InputObjectType;
   typedef T OutputObjectType;
diff --git a/payload_consumer/install_plan.cc b/payload_consumer/install_plan.cc
index b55dea1..8916af5 100644
--- a/payload_consumer/install_plan.cc
+++ b/payload_consumer/install_plan.cc
@@ -98,8 +98,6 @@
           {"powerwash_required", utils::ToString(powerwash_required)},
           {"switch_slot_on_reboot", utils::ToString(switch_slot_on_reboot)},
           {"run_post_install", utils::ToString(run_post_install)},
-          {"rollback_data_save_requested",
-           utils::ToString(rollback_data_save_requested)},
           {"write_verity", utils::ToString(write_verity)},
       },
       "\n"));
diff --git a/payload_consumer/install_plan.h b/payload_consumer/install_plan.h
index 04f6667..e1c2c34 100644
--- a/payload_consumer/install_plan.h
+++ b/payload_consumer/install_plan.h
@@ -182,9 +182,6 @@
   // False otherwise.
   bool run_post_install{true};
 
-  // True if this rollback should preserve some system data.
-  bool rollback_data_save_requested{false};
-
   // True if the update should write verity.
   // False otherwise.
   bool write_verity{true};
diff --git a/payload_consumer/install_plan_unittest.cc b/payload_consumer/install_plan_unittest.cc
index d2a3f5f..ca54360 100644
--- a/payload_consumer/install_plan_unittest.cc
+++ b/payload_consumer/install_plan_unittest.cc
@@ -54,7 +54,6 @@
 powerwash_required: false
 switch_slot_on_reboot: true
 run_post_install: true
-rollback_data_save_requested: false
 write_verity: true
 Partition: foo-partition_name
   source_size: 0
diff --git a/payload_consumer/postinstall_runner_action.cc b/payload_consumer/postinstall_runner_action.cc
index 02417be..5a6eeab 100644
--- a/payload_consumer/postinstall_runner_action.cc
+++ b/payload_consumer/postinstall_runner_action.cc
@@ -127,8 +127,7 @@
   // that retains a small amount of system state such as enrollment and
   // network configuration. In both cases all user accounts are deleted.
   if (install_plan_.powerwash_required) {
-    if (hardware_->SchedulePowerwash(
-            install_plan_.rollback_data_save_requested)) {
+    if (hardware_->SchedulePowerwash()) {
       powerwash_scheduled_ = true;
     } else {
       return CompletePostinstall(ErrorCode::kPostinstallPowerwashError);
diff --git a/payload_consumer/postinstall_runner_action.h b/payload_consumer/postinstall_runner_action.h
index 6017069..1a3cdf6 100644
--- a/payload_consumer/postinstall_runner_action.h
+++ b/payload_consumer/postinstall_runner_action.h
@@ -26,7 +26,6 @@
 #include <brillo/message_loops/message_loop.h>
 #include <gtest/gtest_prod.h>
 
-#include "update_engine/common/action.h"
 #include "update_engine/common/boot_control_interface.h"
 #include "update_engine/common/hardware_interface.h"
 #include "update_engine/payload_consumer/install_plan.h"
diff --git a/payload_consumer/postinstall_runner_action_unittest.cc b/payload_consumer/postinstall_runner_action_unittest.cc
index 9eab1c1..028402a 100644
--- a/payload_consumer/postinstall_runner_action_unittest.cc
+++ b/payload_consumer/postinstall_runner_action_unittest.cc
@@ -198,7 +198,6 @@
   install_plan.partitions = {part};
   install_plan.download_url = "http://127.0.0.1:8080/update";
   install_plan.powerwash_required = powerwash_required;
-  install_plan.rollback_data_save_requested = save_rollback_data;
   RunPostinstallActionWithInstallPlan(install_plan);
 }