Revert of Stop passing raw pointers to base::Value API in c/b/chromeos and c/b/extensions

chrome/browser/prefs/session_startup_pref.cc

Index: chrome/browser/prefs/session_startup_pref.cc
diff --git a/chrome/browser/prefs/session_startup_pref.cc b/chrome/browser/prefs/session_startup_pref.cc
index 9126203deeba9a3b95501a654cc9d16baccc036e..b7dd90f45765b50a944b4e4552eb53d5a55c807c 100644
--- a/chrome/browser/prefs/session_startup_pref.cc
+++ b/chrome/browser/prefs/session_startup_pref.cc
@@ -8,7 +8,6 @@
 
 #include <string>
 
-#include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/browser/profiles/profile.h"
@@ -91,7 +90,7 @@
     url_pref_list->Clear();
     for (size_t i = 0; i < pref.urls.size(); ++i) {
       url_pref_list->Set(static_cast<int>(i),
-                         base::MakeUnique<base::Value>(pref.urls[i].spec()));
+                         new base::Value(pref.urls[i].spec()));
     }
   }
 }