[Sync] Add size and crc32c to AttachmentId.

sync/api/sync_data_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 "sync/api/sync_data.h"
 
 #include <string>
 
 #include "base/memory/ref_counted_memory.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 54 matching lines @@
   EXPECT_TRUE(data.IsLocal());
   EXPECT_EQ(kSyncTag, SyncDataLocal(data).GetTag());
   EXPECT_EQ(kDatatype, data.GetDataType());
   EXPECT_EQ(kNonUniqueTitle, data.GetTitle());
   EXPECT_TRUE(data.GetSpecifics().has_preference());
 }
 
 TEST_F(SyncDataTest, CreateLocalDataWithAttachments) {
   specifics.mutable_preference();
   AttachmentIdList attachment_ids;
-  attachment_ids.push_back(AttachmentId::Create());
-  attachment_ids.push_back(AttachmentId::Create());
-  attachment_ids.push_back(AttachmentId::Create());
+  attachment_ids.push_back(AttachmentId::Create(0, 0));
+  attachment_ids.push_back(AttachmentId::Create(0, 0));
+  attachment_ids.push_back(AttachmentId::Create(0, 0));
 
   SyncData data = SyncData::CreateLocalDataWithAttachments(
       kSyncTag, kNonUniqueTitle, specifics, attachment_ids);
   EXPECT_TRUE(data.IsValid());
   EXPECT_TRUE(data.IsLocal());
   EXPECT_EQ(kSyncTag, SyncDataLocal(data).GetTag());
   EXPECT_EQ(kDatatype, data.GetDataType());
   EXPECT_EQ(kNonUniqueTitle, data.GetTitle());
   EXPECT_TRUE(data.GetSpecifics().has_preference());
   attachment_ids = data.GetAttachmentIds();
@@ skipping 28 matching lines @@
   EXPECT_TRUE(data.GetSpecifics().has_preference());
   EXPECT_TRUE(data.GetAttachmentIds().empty());
 }
 
 // TODO(maniscalco): Add test cases that verify GetLocalAttachmentsForUpload
 // calls are passed through to the underlying AttachmentService.
 
 }  // namespace
 
 }  // namespace syncer