gdata: Get rid of GetGDataCacheTmpDirectory() and friends

chrome/browser/chromeos/gdata/gdata_files.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILES_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILES_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 325 matching lines @@
                                // pinned, or to /dev/null for non-existent
                                // files.
     CACHE_TYPE_OUTGOING,       // Symlinks to files in persistent or tmp dir to
                                // be uploaded.
     CACHE_TYPE_PERSISTENT,     // Files that are pinned or modified locally,
                                // not evictable, hopefully.
     CACHE_TYPE_TMP,            // Files that don't meet criteria to be in
                                // persistent dir, and hence evictable.
     CACHE_TYPE_TMP_DOWNLOADS,  // Downloaded files.
     CACHE_TYPE_TMP_DOCUMENTS,  // Temporary JSON files for hosted documents.
+    NUM_CACHE_TYPES,           // This must be at the end.
   };
 
   // Structure to store information of an existing cache file.
   struct CacheEntry {
     CacheEntry(const std::string& in_md5,
                CacheSubDirectoryType in_sub_dir_type,
                int in_cache_state)
         : md5(in_md5),
           sub_dir_type(in_sub_dir_type),
           cache_state(in_cache_state) {
@@ skipping 95 matching lines @@
   base::Time last_serialized_;
   int largest_changestamp_;
   size_t serialized_size_;
 
   DISALLOW_COPY_AND_ASSIGN(GDataRootDirectory);
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILES_H_