Remove tiny_storage and registory. They were mainly used in usage_stats.

PiperOrigin-RevId: 725108576

src/session/BUILD.bazel

@@ -206,7 +206,6 @@ mozc_cc_library(
         "//prediction:user_history_predictor",
         "//protocol:commands_cc_proto",
         "//protocol:config_cc_proto",
-        "//storage:registry",
         "//testing:mozctest",
         "@com_google_absl//absl/flags:flag",
     ],
@@ -491,7 +490,6 @@ mozc_cc_library(
         "//protocol:commands_cc_proto",
         "//protocol:config_cc_proto",
         "//request:request_test_util",
-        "//storage:registry",
         "@com_google_absl//absl/log",
         "@com_google_absl//absl/log:check",
         "@com_google_absl//absl/status",

src/session/session_handler_test_util.cc

@@ -41,7 +41,6 @@
 #include "protocol/commands.pb.h"
 #include "protocol/config.pb.h"
 #include "session/session_handler.h"
-#include "storage/registry.h"
 
 ABSL_DECLARE_FLAG(int32_t, max_session_size);
 ABSL_DECLARE_FLAG(int32_t, create_session_min_interval);
@@ -142,7 +141,6 @@ void SessionHandlerTestBase::ClearState() {
 
   // Some destructors may save the state on storages. To clear the state, we
   // explicitly call destructors before clearing storages.
-  storage::Registry::Clear();
   FileUtil::UnlinkOrLogError(
       ConfigFileStream::GetFileName("user://boundary.db"));
   FileUtil::UnlinkOrLogError(

src/session/session_handler_tool.cc

@@ -65,7 +65,6 @@
 #include "protocol/config.pb.h"
 #include "request/request_test_util.h"
 #include "session/session_handler.h"
-#include "storage/registry.h"
 
 namespace mozc {
 namespace session {
@@ -335,7 +334,6 @@ void SessionHandlerInterpreter::ClearState() {
 
   // Some destructors may save the state on storages. To clear the state, we
   // explicitly call destructors before clearing storages.
-  storage::Registry::Clear();
   FileUtil::UnlinkOrLogError(
       ConfigFileStream::GetFileName("user://boundary.db"));
   FileUtil::UnlinkOrLogError(

src/storage/BUILD.bazel

@@ -132,79 +132,6 @@ mozc_cc_test(
     ],
 )
 
-mozc_cc_library(
-    name = "storage_interaface",
-    hdrs = ["storage_interface.h"],
-    deps = ["//base:port"],
-)
-
-mozc_cc_library(
-    name = "tiny_storage",
-    srcs = ["tiny_storage.cc"],
-    hdrs = ["tiny_storage.h"],
-    deps = [
-        ":storage_interaface",
-        "//base:bits",
-        "//base:file_stream",
-        "//base:file_util",
-        "//base:mmap",
-        "//base:vlog",
-        "@com_google_absl//absl/container:flat_hash_map",
-        "@com_google_absl//absl/log",
-        "@com_google_absl//absl/log:check",
-        "@com_google_absl//absl/status",
-        "@com_google_absl//absl/status:statusor",
-        "@com_google_absl//absl/strings",
-    ],
-)
-
-mozc_cc_test(
-    name = "tiny_storage_test",
-    size = "small",
-    srcs = ["tiny_storage_test.cc"],
-    deps = [
-        ":storage_interaface",
-        ":tiny_storage",
-        "//base/file:temp_dir",
-        "//testing:gunit_main",
-        "//testing:mozctest",
-        "@com_google_absl//absl/container:flat_hash_map",
-        "@com_google_absl//absl/strings",
-    ],
-)
-
-mozc_cc_library(
-    name = "registry",
-    srcs = ["registry.cc"],
-    hdrs = ["registry.h"],
-    deps = [
-        ":storage_interaface",
-        ":tiny_storage",
-        "//base:bits",
-        "//base:file_util",
-        "//base:port",
-        "//base:singleton",
-        "//base:system_util",
-        "//base:vlog",
-        "@com_google_absl//absl/base:core_headers",
-        "@com_google_absl//absl/log",
-        "@com_google_absl//absl/log:check",
-        "@com_google_absl//absl/strings",
-        "@com_google_absl//absl/synchronization",
-    ],
-)
-
-mozc_cc_test(
-    name = "registry_test",
-    size = "small",
-    srcs = ["registry_test.cc"],
-    deps = [
-        ":registry",
-        "//testing:gunit_main",
-        "//testing:mozctest",
-    ],
-)
-
 mozc_cc_library(
     name = "encrypted_string_storage",
     srcs = ["encrypted_string_storage.cc"],
@@ -228,7 +155,9 @@ mozc_cc_test(
     name = "encrypted_string_storage_test",
     size = "small",
     srcs = ["encrypted_string_storage_test.cc"],
-    tags = ["nowin"],  # TODO(yuryu): depends on //base:encryptor
+    tags = [
+        "nowin",
+    ],  # TODO(yuryu): depends on //base:encryptor
     deps = [
         ":encrypted_string_storage",
         "//base:file_stream",