AU: Beginnings of delta support

src/platform/update_engine/mock_http_fetcher.cc

Index: src/platform/update_engine/mock_http_fetcher.cc
diff --git a/src/platform/update_engine/mock_http_fetcher.cc b/src/platform/update_engine/mock_http_fetcher.cc
index 64593516dbaeb7295d8ef94e38dca8b1935d56aa..abeff7a1481fa79682282633ad527c4434b69cd8 100644
--- a/src/platform/update_engine/mock_http_fetcher.cc
+++ b/src/platform/update_engine/mock_http_fetcher.cc
@@ -2,11 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "base/logging.h"
 #include "update_engine/mock_http_fetcher.h"
+#include <algorithm>
+#include "chromeos/obsolete_logging.h"
 
 // This is a mac implementation of HttpFetcher which is useful for testing.
 
+using std::min;
+
 namespace chromeos_update_engine {
 
 MockHttpFetcher::~MockHttpFetcher() {