gdata: Simplify semantics of sub_dir_type in CacheEntry.

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 2345 matching lines @@
   const FilePath kFilePath(FILE_PATH_LITERAL("drive/File 1.txt"));
   const std::string kResourceId("file:2_file_resource_id");
   const std::string kMd5("3b4382ebefec6e743578c76bbd0575ce");
 
   // Pin the file so it'll be store in "persistent" directory.
   EXPECT_CALL(*mock_sync_client_, OnCachePinned(kResourceId, kMd5)).Times(1);
   TestPin(kResourceId,
           kMd5,
           base::PLATFORM_FILE_OK,
           GDataCache::CACHE_STATE_PINNED,
-          GDataCache::CACHE_TYPE_PINNED);
+          GDataCache::CACHE_TYPE_TMP);
 
   // First store a file to cache. A cache file will be created at:
   // GCache/v1/persistent/<kResourceId>.<kMd5>
   const FilePath original_cache_file_path =
       GDataCache::GetCacheRootPath(profile_.get())
       .AppendASCII("persistent")
       .AppendASCII(kResourceId + "." + kMd5);
   TestStoreToCache(kResourceId,
                    kMd5,
                    GetTestFilePath("root_feed.json"),  // Anything works.
@@ skipping 244 matching lines @@
 
   // Try to close the same file twice.
   file_system_->CloseFile(kFileInRoot, close_file_callback);
   message_loop_.Run();
 
   // It must fail.
   EXPECT_EQ(base::PLATFORM_FILE_ERROR_NOT_FOUND, callback_helper_->last_error_);
 }
 
 }   // namespace gdata