Make it clear what last_sync_timestamp actually tracks. Update

chrome/browser/sync/syncable/syncable_unittest.cc

 // Copyright (c) 2009 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 "chrome/browser/sync/syncable/syncable.h"
 
 #include "build/build_config.h"
 
 #include <sys/types.h>
 
@@ skipping 815 matching lines @@
 TEST_F(SyncableDirectoryTest, TestCaseChangeRename) {
   WriteTransaction trans(dir_.get(), UNITTEST, __FILE__, __LINE__);
   MutableEntry folder(&trans, CREATE, trans.root_id(), "CaseChange");
   ASSERT_TRUE(folder.good());
   EXPECT_TRUE(folder.Put(PARENT_ID, trans.root_id()));
   EXPECT_TRUE(folder.Put(NON_UNIQUE_NAME, "CASECHANGE"));
   EXPECT_TRUE(folder.Put(IS_DEL, true));
 }
 
 TEST_F(SyncableDirectoryTest, TestShareInfo) {
-  dir_->set_last_sync_timestamp(100);
+  dir_->set_last_download_timestamp(100);
   dir_->set_store_birthday("Jan 31st");
   {
     ReadTransaction trans(dir_.get(), __FILE__, __LINE__);
-    EXPECT_EQ(100, dir_->last_sync_timestamp());
+    EXPECT_EQ(100, dir_->last_download_timestamp());
     EXPECT_EQ("Jan 31st", dir_->store_birthday());
   }
-  dir_->set_last_sync_timestamp(200);
+  dir_->set_last_download_timestamp(200);
   dir_->set_store_birthday("April 10th");
   dir_->SaveChanges();
   {
     ReadTransaction trans(dir_.get(), __FILE__, __LINE__);
-    EXPECT_EQ(200, dir_->last_sync_timestamp());
+    EXPECT_EQ(200, dir_->last_download_timestamp());
     EXPECT_EQ("April 10th", dir_->store_birthday());
   }
 }
 
 TEST_F(SyncableDirectoryTest, TestSimpleFieldsPreservedDuringSaveChanges) {
   Id update_id = TestIdFactory::FromNumber(1);
   Id create_id;
   EntryKernel create_pre_save, update_pre_save;
   EntryKernel create_post_save, update_post_save;
   string create_name =  "Create";
@@ skipping 677 matching lines @@
 TEST_F(SyncableClientTagTest, TestClientTagIndexDuplicateServer) {
   EXPECT_TRUE(CreateWithDefaultTag(factory_.NewServerId(), true));
   EXPECT_FALSE(CreateWithDefaultTag(factory_.NewServerId(), true));
   EXPECT_FALSE(CreateWithDefaultTag(factory_.NewServerId(), false));
   EXPECT_FALSE(CreateWithDefaultTag(factory_.NewLocalId(), false));
   EXPECT_FALSE(CreateWithDefaultTag(factory_.NewLocalId(), true));
 }
 
 }  // namespace
 }  // namespace syncable