[Sync] Move attachments code out of core/.

components/sync/api/attachments/attachment_service_proxy_for_test.cc

Index: components/sync/api/attachments/attachment_service_proxy_for_test.cc
diff --git a/components/sync/core_impl/attachments/attachment_service_proxy_for_test.cc b/components/sync/api/attachments/attachment_service_proxy_for_test.cc
similarity index 92%
rename from components/sync/core_impl/attachments/attachment_service_proxy_for_test.cc
rename to components/sync/api/attachments/attachment_service_proxy_for_test.cc
index c305282278741cf6b85456a19fe7e2195c976bdc..f1a94fa0f580d7d435c5d0a31efc50c5ffd457b7 100644
--- a/components/sync/core_impl/attachments/attachment_service_proxy_for_test.cc
+++ b/components/sync/api/attachments/attachment_service_proxy_for_test.cc
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/sync/core/attachments/attachment_service_proxy_for_test.h"
+#include "components/sync/api/attachments/attachment_service_proxy_for_test.h"
 
 #include <utility>
 
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
-#include "components/sync/core/attachments/attachment_service_impl.h"
+#include "components/sync/api/attachments/attachment_service.h"
 
 namespace syncer {
 
@@ -26,7 +26,7 @@ AttachmentServiceProxyForTest::OwningCore::~OwningCore() {}
 // Static.
 AttachmentServiceProxy AttachmentServiceProxyForTest::Create() {
   std::unique_ptr<AttachmentService> wrapped(
-      AttachmentServiceImpl::CreateForTest());
+      AttachmentService::CreateForTest());
   // This class's base class, AttachmentServiceProxy, must be initialized with a
   // WeakPtr to an AttachmentService.  Because the base class ctor must be
   // invoked before any of this class's members are initialized, we create the