Update AttachmentServiceImpl to retry attachment uploads.

components/sync_driver/generic_change_processor_unittest.cc

 // 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.
 
 #include "components/sync_driver/generic_change_processor.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 38 matching lines @@
   std::vector<syncer::AttachmentIdSet> attachment_id_sets_;
 };
 
 MockAttachmentService::MockAttachmentService(
     const scoped_refptr<syncer::AttachmentStore>& attachment_store)
     : AttachmentServiceImpl(attachment_store,
                             scoped_ptr<syncer::AttachmentUploader>(
                                 new syncer::FakeAttachmentUploader),
                             scoped_ptr<syncer::AttachmentDownloader>(
                                 new syncer::FakeAttachmentDownloader),
-                            NULL) {
+                            NULL,
+                            base::TimeDelta(),
+                            base::TimeDelta()) {
 }
 
 MockAttachmentService::~MockAttachmentService() {
 }
 
 void MockAttachmentService::UploadAttachments(
     const syncer::AttachmentIdSet& attachment_ids) {
   attachment_id_sets_.push_back(attachment_ids);
   AttachmentServiceImpl::UploadAttachments(attachment_ids);
 }
@@ skipping 357 matching lines @@
   syncer::ReadNode node(&read_transaction);
   ASSERT_EQ(node.InitByClientTagLookup(syncer::PREFERENCES, tag),
             syncer::BaseNode::INIT_OK);
   syncer::AttachmentIdList attachment_ids = node.GetAttachmentIds();
   EXPECT_EQ(1U, attachment_ids.size());
 }
 
 }  // namespace
 
 }  // namespace sync_driver