Geolocation cleanup: use unique_ptr<>s and rename New{WlanApi/PollingPolicy} to CreateBla()

device/geolocation/wifi_data_provider_linux.h

Index: device/geolocation/wifi_data_provider_linux.h
diff --git a/device/geolocation/wifi_data_provider_linux.h b/device/geolocation/wifi_data_provider_linux.h
index 69dd37e51366a550f59161dc6710c3e97c20c324..238682111984273821ec663bbf8906db299253cc 100644
--- a/device/geolocation/wifi_data_provider_linux.h
+++ b/device/geolocation/wifi_data_provider_linux.h
@@ -26,12 +26,11 @@ class DEVICE_GEOLOCATION_EXPORT WifiDataProviderLinux
 
   ~WifiDataProviderLinux() override;
 
-  // WifiDataProviderCommon
-  WlanApiInterface* NewWlanApi() override;
-  WifiPollingPolicy* NewPollingPolicy() override;
+  // WifiDataProviderCommon implementation
+  std::unique_ptr<WlanApiInterface> CreateWlanApi() override;
+  std::unique_ptr<WifiPollingPolicy> CreatePollingPolicy() override;
 
-  // For testing.
-  WlanApiInterface* NewWlanApiForTesting(dbus::Bus* bus);
+  std::unique_ptr<WlanApiInterface> CreateWlanApiForTesting(dbus::Bus* bus);
 
   DISALLOW_COPY_AND_ASSIGN(WifiDataProviderLinux);
 };