gdata: Get rid of GetGDataCacheTmpDirectory() and friends

chrome/browser/chromeos/gdata/mock_gdata_file_system.h

Index: chrome/browser/chromeos/gdata/mock_gdata_file_system.h
diff --git a/chrome/browser/chromeos/gdata/mock_gdata_file_system.h b/chrome/browser/chromeos/gdata/mock_gdata_file_system.h
index 032fedd81c64708b4f93fedf4daa64e583bf6cbe..d91191801631522857ada8334848f36d14896e52 100644
--- a/chrome/browser/chromeos/gdata/mock_gdata_file_system.h
+++ b/chrome/browser/chromeos/gdata/mock_gdata_file_system.h
@@ -63,11 +63,8 @@ class MockGDataFileSystem : public GDataFileSystemInterface {
                                    const GetCacheStateCallback& callback));
   MOCK_METHOD2(GetFileInfoByPath, bool(const FilePath& gdata_file_path,
                                        GDataFileProperties* properties));
-  MOCK_CONST_METHOD0(GetGDataCacheTmpDirectory, FilePath());
-  MOCK_CONST_METHOD0(GetGDataTempDownloadFolderPath, FilePath());
-  MOCK_CONST_METHOD0(GetGDataTempDocumentFolderPath, FilePath());
-  MOCK_CONST_METHOD0(GetGDataCachePinnedDirectory, FilePath());
-  MOCK_CONST_METHOD0(GetGDataCachePersistentDirectory, FilePath());
+  MOCK_CONST_METHOD1(GetCacheDirectoryPath, FilePath(
+      GDataRootDirectory::CacheSubDirectoryType));
   MOCK_CONST_METHOD4(GetCacheFilePath, FilePath(
       const std::string&,
       const std::string&,