Revert of Remove ScopedVector in components/spellcheck

components/spellcheck/renderer/spellcheck_unittest.cc

Index: components/spellcheck/renderer/spellcheck_unittest.cc
diff --git a/components/spellcheck/renderer/spellcheck_unittest.cc b/components/spellcheck/renderer/spellcheck_unittest.cc
index d56e603bf3a3ef4e9a724da4682857fc712feb9b..3804513db9c426bccc9a7e7d09ec74da1893436c 100644
--- a/components/spellcheck/renderer/spellcheck_unittest.cc
+++ b/components/spellcheck/renderer/spellcheck_unittest.cc
@@ -12,7 +12,6 @@
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/macros.h"
-#include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
@@ -75,7 +74,7 @@
 #if defined(OS_MACOSX)
     // TODO(groby): Forcing spellcheck to use hunspell, even on OSX.
     // Instead, tests should exercise individual spelling engines.
-    spell_check_->languages_.push_back(base::MakeUnique<SpellcheckLanguage>());
+    spell_check_->languages_.push_back(new SpellcheckLanguage());
     spell_check_->languages_.front()->platform_spelling_engine_.reset(
         new HunspellEngine);
     spell_check_->languages_.front()->Init(std::move(file), language);