Followup cleanup from the removal of base::ScopedPtrHashMap from device/.

device/bluetooth/bluetooth_device_android.cc

Index: device/bluetooth/bluetooth_device_android.cc
diff --git a/device/bluetooth/bluetooth_device_android.cc b/device/bluetooth/bluetooth_device_android.cc
index c9cde3fa59880a5a34560fa2f7aa11660767c8fd..04a01298fddc82c5b4fd1a00239393822788f2e1 100644
--- a/device/bluetooth/bluetooth_device_android.cc
+++ b/device/bluetooth/bluetooth_device_android.cc
@@ -8,6 +8,7 @@
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/metrics/histogram_macros.h"
+#include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
 #include "device/bluetooth/bluetooth_adapter_android.h"
 #include "device/bluetooth/bluetooth_remote_gatt_service_android.h"
@@ -246,7 +247,7 @@ void BluetoothDeviceAndroid::CreateGattRemoteService(
   std::string instance_id_string =
       base::android::ConvertJavaStringToUTF8(env, instance_id);
 
-  if (gatt_services_.find(instance_id_string) != gatt_services_.end())
+  if (base::ContainsKey(gatt_services_, instance_id_string))
     return;
 
   std::unique_ptr<BluetoothRemoteGattServiceAndroid> service =