Remove raw base::DictionaryValue::SetWithoutPathExpansion in //chrome

chrome/browser/signin/easy_unlock_service_regular.cc

Index: chrome/browser/signin/easy_unlock_service_regular.cc
diff --git a/chrome/browser/signin/easy_unlock_service_regular.cc b/chrome/browser/signin/easy_unlock_service_regular.cc
index e316354113955c05796ad9e1dd3498bc88754907..38598e88950e1f0f9e5c21d5efa6065956276891 100644
--- a/chrome/browser/signin/easy_unlock_service_regular.cc
+++ b/chrome/browser/signin/easy_unlock_service_regular.cc
@@ -234,7 +234,8 @@ void EasyUnlockServiceRegular::SetPermitAccess(
     const base::DictionaryValue& permit) {
   DictionaryPrefUpdate pairing_update(profile()->GetPrefs(),
                                       prefs::kEasyUnlockPairing);
-  pairing_update->SetWithoutPathExpansion(kKeyPermitAccess, permit.DeepCopy());
+  pairing_update->SetWithoutPathExpansion(
+      kKeyPermitAccess, base::MakeUnique<base::Value>(permit));
 }
 
 void EasyUnlockServiceRegular::ClearPermitAccess() {
@@ -259,7 +260,8 @@ void EasyUnlockServiceRegular::SetRemoteDevices(
   if (devices.empty())
     pairing_update->RemoveWithoutPathExpansion(kKeyDevices, NULL);
   else
-    pairing_update->SetWithoutPathExpansion(kKeyDevices, devices.DeepCopy());
+    pairing_update->SetWithoutPathExpansion(
+        kKeyDevices, base::MakeUnique<base::Value>(devices));
 
 #if defined(OS_CHROMEOS)
   // TODO(tengs): Investigate if we can determine if the remote devices were set