Replace ScopedVector/ScopedPtrHashMap with std::vector and std::unordered_map

device/bluetooth/bluetooth_remote_gatt_service_android.cc

Index: device/bluetooth/bluetooth_remote_gatt_service_android.cc
diff --git a/device/bluetooth/bluetooth_remote_gatt_service_android.cc b/device/bluetooth/bluetooth_remote_gatt_service_android.cc
index 25087b733697c9bab9b56d0437bfcf121a425ae8..4889cb761c1fc2d4f8de1e47df7798d68d4abbdb 100644
--- a/device/bluetooth/bluetooth_remote_gatt_service_android.cc
+++ b/device/bluetooth/bluetooth_remote_gatt_service_android.cc
@@ -135,7 +135,7 @@ BluetoothRemoteGattServiceAndroid::GetCharacteristics() const {
   EnsureCharacteristicsCreated();
   std::vector<device::BluetoothRemoteGattCharacteristic*> characteristics;
   for (const auto& map_iter : characteristics_)
-    characteristics.push_back(map_iter.second);
+    characteristics.push_back(map_iter.second.get());
   return characteristics;
 }
 
@@ -150,9 +150,11 @@ BluetoothRemoteGattServiceAndroid::GetCharacteristic(
     const std::string& identifier) const {
   EnsureCharacteristicsCreated();
   const auto& iter = characteristics_.find(identifier);
-  if (iter == characteristics_.end())
+  if (iter == characteristics_.end()) {
     return nullptr;
-  return iter->second;
+  }
+
+  return iter->second.get();
 }
 
 void BluetoothRemoteGattServiceAndroid::CreateGattRemoteCharacteristic(
@@ -165,14 +167,13 @@ void BluetoothRemoteGattServiceAndroid::CreateGattRemoteCharacteristic(
         jobject>& /* ChromeBluetoothDevice */ chrome_bluetooth_device) {
   std::string instance_id_string =
       base::android::ConvertJavaStringToUTF8(env, instance_id);
+  DCHECK(!base::ContainsKey(characteristics_, instance_id_string));
+  auto characteristic = BluetoothRemoteGattCharacteristicAndroid::Create(
+      adapter_, this, instance_id_string, bluetooth_gatt_characteristic_wrapper,
+      chrome_bluetooth_device);
 
-  DCHECK(!characteristics_.contains(instance_id_string));
-
-  characteristics_.set(
-      instance_id_string,
-      BluetoothRemoteGattCharacteristicAndroid::Create(
-          adapter_, this, instance_id_string,
-          bluetooth_gatt_characteristic_wrapper, chrome_bluetooth_device));
+  characteristics_.insert(
+      std::make_pair(instance_id_string, std::move(characteristic)));
 }
 
 BluetoothRemoteGattServiceAndroid::BluetoothRemoteGattServiceAndroid(