Wired GDataFileSystem::GetFile() method with internal cache.

chrome/browser/chromeos/gdata/gdata_file_system_unittest.cc

 // Copyright (c) 2012 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 <errno.h>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 1479 matching lines @@
 }
 
 TEST_F(GDataFileSystemTest, GetFile) {
   LoadRootFeedDocument("root_feed.json");
 
   GetFileCallback callback =
       base::Bind(&CallbackHelper::GetFileCallback,
                  callback_helper_.get());
 
   EXPECT_CALL(*mock_doc_service_,
-              DownloadFile(_, GURL("https://file_content_url/"), _));
+              DownloadFile(_, _, GURL("https://file_content_url/"), _));
 
   FilePath file_in_root(FILE_PATH_LITERAL("gdata/File 1.txt"));
   file_system_->GetFile(file_in_root, callback);
   message_loop_.RunAllPending();  // Wait to get our result.
   EXPECT_STREQ("file_content_url/",
                callback_helper_->download_path_.value().c_str());
 }
 
 TEST_F(GDataFileSystemTest, GetAvailableSpace) {
   GetAvailableSpaceCallback callback =
       base::Bind(&CallbackHelper::GetAvailableSpaceCallback,
                  callback_helper_.get());
 
   EXPECT_CALL(*mock_doc_service_, GetAccountMetadata(_));
 
   file_system_->GetAvailableSpace(callback);
   message_loop_.RunAllPending();  // Wait to get our result.
   EXPECT_EQ(1234, callback_helper_->quota_bytes_used_);
   EXPECT_EQ(12345, callback_helper_->quota_bytes_total_);
 }
 
 }   // namespace gdata