Store attachment crc in AttachmentStore

sync/internal_api/attachments/fake_attachment_uploader_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/internal_api/public/attachments/fake_attachment_uploader.h"
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 29 matching lines @@
       ++(*success_count);
     }
   }
 };
 
 // Call upload attachment several times, see that the supplied callback is
 // invoked the same number of times with a result of SUCCESS.
 TEST_F(FakeAttachmentUploaderTest, UploadAttachment) {
   scoped_refptr<base::RefCountedString> some_data(new base::RefCountedString);
   some_data->data() = kAttachmentData;
-  Attachment attachment1 = Attachment::Create(some_data);
-  Attachment attachment2 = Attachment::Create(some_data);
-  Attachment attachment3 = Attachment::Create(some_data);
+  Attachment attachment1 = Attachment::CreateNew(some_data);
+  Attachment attachment2 = Attachment::CreateNew(some_data);
+  Attachment attachment3 = Attachment::CreateNew(some_data);
   uploader.UploadAttachment(attachment1, upload_callback);
   uploader.UploadAttachment(attachment2, upload_callback);
   uploader.UploadAttachment(attachment3, upload_callback);
   message_loop.RunUntilIdle();
   EXPECT_EQ(upload_callback_count, 3);
 }
 
 }  // namespace syncer