Add PrefStore::GetValues

components/cronet/android/cronet_in_memory_pref_store.cc

Index: components/cronet/android/cronet_in_memory_pref_store.cc
diff --git a/components/cronet/android/cronet_in_memory_pref_store.cc b/components/cronet/android/cronet_in_memory_pref_store.cc
index 55362cf8f88e522704bea19be2630a4b9e62d328..c057e5be9a1f7da6fade9f8fbe423df95173cef3 100644
--- a/components/cronet/android/cronet_in_memory_pref_store.cc
+++ b/components/cronet/android/cronet_in_memory_pref_store.cc
@@ -18,6 +18,11 @@ bool CronetInMemoryPrefStore::GetValue(const std::string& key,
   return prefs_.GetValue(key, value);
 }
 
+std::unique_ptr<base::DictionaryValue> CronetInMemoryPrefStore::GetValues()
+    const {
+  return prefs_.AsDictionaryValue();
+}
+
 bool CronetInMemoryPrefStore::GetMutableValue(const std::string& key,
                                               base::Value** value) {
   return prefs_.GetValue(key, value);
@@ -82,4 +87,3 @@ void CronetInMemoryPrefStore::ReportValueChanged(const std::string& key,
   for (Observer& observer : observers_)
     observer.OnPrefValueChanged(key);
 }
-