[Sync] Move StartAssociation from NonUIDataTypeController to SharedChangeProcessor.

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 35 matching lines @@
     "api/sync_error.h",
     "api/sync_error_factory.cc",
     "api/sync_error_factory.h",
     "api/sync_merge_result.cc",
     "api/sync_merge_result.h",
     "api/syncable_service.cc",
     "api/syncable_service.h",
     "api/time.h",
     "base/attachment_id_proto.cc",
     "base/attachment_id_proto.h",
+    "base/bind_to_task_runner.h",
     "base/cancelation_observer.cc",
     "base/cancelation_observer.h",
     "base/cancelation_signal.cc",
     "base/cancelation_signal.h",
     "base/cryptographer.cc",
     "base/cryptographer.h",
     "base/data_type_histogram.cc",
     "base/data_type_histogram.h",
     "base/encryptor.h",
     "base/enum_set.h",
@@ skipping 719 matching lines @@
     "api/attachments/attachment_id_unittest.cc",
     "api/attachments/attachment_metadata_unittest.cc",
     "api/attachments/attachment_unittest.cc",
     "api/entity_data_unittest.cc",
     "api/model_type_service_unittest.cc",
     "api/sync_change_unittest.cc",
     "api/sync_data_unittest.cc",
     "api/sync_error_unittest.cc",
     "api/sync_merge_result_unittest.cc",
     "base/attachment_id_proto_unittest.cc",
+    "base/bind_to_task_runner_unittest.cc",
     "base/cancelation_signal_unittest.cc",
     "base/cryptographer_unittest.cc",
     "base/data_type_histogram_unittest.cc",
     "base/enum_set_unittest.cc",
     "base/get_session_name_unittest.cc",
     "base/immutable_unittest.cc",
     "base/nigori_unittest.cc",
     "base/node_ordinal_unittest.cc",
     "base/ordinal_unittest.cc",
     "base/proto_value_ptr_unittest.cc",
@@ skipping 298 matching lines @@
     deps = [
       ":fake_server_jni",
       ":sync",
       ":test_support_sync_fake_server",
       "//base",
       "//testing/gtest",
       "//url:url",
     ]
   }
 }