Update sync API to support attachments.

sync/api/attachments/attachment_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/attachments/attachment.h"
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/ref_counted_memory.h"
-#include "base/memory/scoped_ptr.h"
 #include "sync/protocol/sync.pb.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace syncer {
 
 namespace {
 
 const char kAttachmentData[] = "some data";
 
 }  // namespace
 
 class AttachmentTest : public testing::Test {};
 
 TEST_F(AttachmentTest, Create_UniqueIdIsUnique) {
   scoped_refptr<base::RefCountedString> some_data(new base::RefCountedString);
   some_data->data() = kAttachmentData;
-  scoped_ptr<Attachment> a1 = Attachment::Create(some_data);
-  scoped_ptr<Attachment> a2 = Attachment::Create(some_data);
-  EXPECT_NE(a1->GetId(), a2->GetId());
-  EXPECT_EQ(a1->GetData(), a2->GetData());
+  Attachment a1 = Attachment::Create(some_data);
+  Attachment a2 = Attachment::Create(some_data);
+  EXPECT_NE(a1.GetId(), a2.GetId());
+  EXPECT_EQ(a1.GetData(), a2.GetData());
 }
 
 TEST_F(AttachmentTest, Create_WithEmptyData) {
-  scoped_refptr<base::RefCountedString> emptyData(new base::RefCountedString);
-  scoped_ptr<Attachment> a = Attachment::Create(emptyData);
-  EXPECT_EQ(emptyData, a->GetData());
+  scoped_refptr<base::RefCountedString> empty_data(new base::RefCountedString);
+  Attachment a = Attachment::Create(empty_data);
+  EXPECT_EQ(empty_data, a.GetData());
 }
 
 TEST_F(AttachmentTest, CreateWithId_HappyCase) {
   AttachmentId id = AttachmentId::Create();
   scoped_refptr<base::RefCountedString> some_data(new base::RefCountedString);
   some_data->data() = kAttachmentData;
-  scoped_ptr<Attachment> a = Attachment::CreateWithId(id, some_data);
-  EXPECT_EQ(id, a->GetId());
-  EXPECT_EQ(some_data, a->GetData());
+  Attachment a = Attachment::CreateWithId(id, some_data);
+  EXPECT_EQ(id, a.GetId());
+  EXPECT_EQ(some_data, a.GetData());
 }
 
 }  // namespace syncer