Use DriveService for proper resource id resolution in ChangeListLoader.

chrome/browser/chromeos/drive/change_list_loader_unittest.cc

 // Copyright 2013 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/chromeos/drive/change_list_loader.h"
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/testing_pref_service.h"
 #include "base/run_loop.h"
@@ skipping 113 matching lines @@
 
     cache_.reset(new FileCache(metadata_storage_.get(),
                                temp_dir_.path(),
                                base::MessageLoopProxy::current().get(),
                                NULL /* free_disk_space_getter */));
     ASSERT_TRUE(cache_->Initialize());
 
     change_list_loader_.reset(
         new ChangeListLoader(base::MessageLoopProxy::current().get(),
                              metadata_.get(),
-                             scheduler_.get()));
+                             scheduler_.get(),
+                             drive_service_.get()));
   }
 
   // Adds a new file to the root directory of the service.
   scoped_ptr<google_apis::ResourceEntry> AddNewFile(const std::string& title) {
     google_apis::GDataErrorCode error = google_apis::GDATA_FILE_ERROR;
     scoped_ptr<google_apis::ResourceEntry> entry;
     drive_service_->AddNewFile(
         "text/plain",
         "content text",
         drive_service_->GetRootResourceId(),
@@ skipping 67 matching lines @@
   change_list_loader_->LoadIfNeeded(
       DirectoryFetchInfo(),
       google_apis::test_util::CreateCopyResultCallback(&error));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(FILE_ERROR_OK, error);
 
   // Reset loader.
   change_list_loader_.reset(
       new ChangeListLoader(base::MessageLoopProxy::current().get(),
                            metadata_.get(),
-                           scheduler_.get()));
+                           scheduler_.get(),
+                           drive_service_.get()));
 
   // Add a file to the service.
   scoped_ptr<google_apis::ResourceEntry> gdata_entry = AddNewFile("New File");
   ASSERT_TRUE(gdata_entry);
 
   // Start loading. Because local metadata is available, the load results in
   // returning FILE_ERROR_OK without fetching full list of resources.
   const int previous_resource_list_load_count =
       drive_service_->resource_list_load_count();
   TestChangeListLoaderObserver observer(change_list_loader_.get());
@@ skipping 201 matching lines @@
   // The new file is found in the local metadata.
   base::FilePath new_file_path =
       util::GetDriveMyDriveRootPath().AppendASCII(gdata_entry->title());
   ResourceEntry entry;
   EXPECT_EQ(FILE_ERROR_OK,
             metadata_->GetResourceEntryByPath(new_file_path, &entry));
 }
 
 }  // namespace internal
 }  // namespace drive