Refactor: move components/sync/../signin to components/signin/../

components/sync/BUILD.gn

 # 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.
 
 import("//build/buildflag_header.gni")
 import("//build/config/features.gni")
 import("//components/sync/protocol/protocol_sources.gni")
 import("//testing/test.gni")
 
 static_library("sync") {
@@ skipping 1062 matching lines @@
     deps = [
       ":test_support_sync_proto_java_prepare",
     ]
   }
 
   android_library("sync_java_test_support") {
     testonly = true
     deps = [
       "android:sync_java",
       "//base:base_java",
-      "//base:base_java_test_support",
-      "//third_party/jsr-305:jsr_305_javalib",
     ]
-    java_files = [
-      "test/android/javatests/src/org/chromium/components/sync/test/util/AccountHolder.java",
-      "test/android/javatests/src/org/chromium/components/sync/test/util/MockAccountManager.java",
-      "test/android/javatests/src/org/chromium/components/sync/test/util/MockSyncContentResolverDelegate.java",
-      "test/android/javatests/src/org/chromium/components/sync/test/util/SimpleFuture.java",
-    ]
+    java_files = [ "test/android/javatests/src/org/chromium/components/sync/test/util/MockSyncContentResolverDelegate.java" ]
   }
 
   static_library("test_support_sync_fake_server_android") {
     testonly = true
     sources = [
       "test/fake_server/android/fake_server_helper_android.cc",
       "test/fake_server/android/fake_server_helper_android.h",
     ]
     deps = [
       ":fake_server_jni",
       ":sync",
       ":test_support_sync_fake_server",
       "//base",
       "//testing/gtest",
       "//url:url",
     ]
   }
 }