[Sync] Renaming sync/api* to sync/model*.

components/sync/api/attachments/attachment_id_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/api/attachments/attachment.h"
-
-#include <string>
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace syncer {
-
-class AttachmentIdTest : public testing::Test {};
-
-TEST_F(AttachmentIdTest, Create_IsUnique) {
-  AttachmentId id1 = AttachmentId::Create(0, 0);
-  AttachmentId id2 = AttachmentId::Create(0, 0);
-  EXPECT_NE(id1, id2);
-}
-
-TEST_F(AttachmentIdTest, OperatorEqual) {
-  AttachmentId id1 = AttachmentId::Create(0, 0);
-  AttachmentId id2(id1);
-  EXPECT_EQ(id1, id2);
-}
-
-TEST_F(AttachmentIdTest, OperatorLess) {
-  AttachmentId id1 = AttachmentId::Create(0, 0);
-  EXPECT_FALSE(id1 < id1);
-
-  AttachmentId id2 = AttachmentId::Create(0, 0);
-  EXPECT_FALSE(id1 < id1);
-
-  EXPECT_NE(id1, id2);
-  if (id1 < id2) {
-    EXPECT_FALSE(id2 < id1);
-  } else {
-    EXPECT_TRUE(id2 < id1);
-  }
-}
-
-}  // namespace syncer