Remove base::StringValue

chrome/browser/chromeos/extensions/file_manager/private_api_file_system.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/extensions/file_manager/private_api_file_system.h"
 
 #include <sys/statvfs.h>
 
 #include <algorithm>
 #include <utility>
@@ skipping 868 matching lines @@
                           base::Bind(&FileStreamMd5Digester::GetMd5Digest,
                                      base::Unretained(digester_.get()),
                                      base::Passed(&reader), result_callback));
 
   return true;
 }
 
 void FileManagerPrivateInternalComputeChecksumFunction::Respond(
     const std::string& hash) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  SetResult(base::MakeUnique<base::StringValue>(hash));
+  SetResult(base::MakeUnique<base::Value>(hash));
   SendResponse(true);
 }
 
 bool FileManagerPrivateSearchFilesByHashesFunction::RunAsync() {
   using api::file_manager_private::SearchFilesByHashes::Params;
   const std::unique_ptr<Params> params(Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params);
 
   // TODO(hirono): Check the volume ID and fail the function for volumes other
   // than Drive.
@@ skipping 149 matching lines @@
   return true;
 }
 
 void FileManagerPrivateInternalGetDirectorySizeFunction::
     OnDirectorySizeRetrieved(int64_t size) {
   SetResult(base::MakeUnique<base::Value>(static_cast<double>(size)));
   SendResponse(true);
 }
 
 }  // namespace extensions