shill: Top-level files n-v: Switch pointer/ref spacing

Switch to Chrome style spacing.

BUG=chromium:501026
TEST=Unit tests

Change-Id: I8bd6f66ea185ca3a2687986f6f2fd99be957dffe
Reviewed-on: https://chromium-review.googlesource.com/278070
Reviewed-by: Rebecca Silberstein <silberst@chromium.org>
Commit-Queue: Paul Stewart <pstew@chromium.org>
Tested-by: Paul Stewart <pstew@chromium.org>
diff --git a/ppp_device_factory.h b/ppp_device_factory.h
index 62c9783..5159978 100644
--- a/ppp_device_factory.h
+++ b/ppp_device_factory.h
@@ -22,14 +22,14 @@
   virtual ~PPPDeviceFactory();
 
   // This is a singleton. Use PPPDeviceFactory::GetInstance()->Foo().
-  static PPPDeviceFactory *GetInstance();
+  static PPPDeviceFactory* GetInstance();
 
-  virtual PPPDevice *CreatePPPDevice(
-      ControlInterface *control,
-      EventDispatcher *dispatcher,
-      Metrics *metrics,
-      Manager *manager,
-      const std::string &link_name,
+  virtual PPPDevice* CreatePPPDevice(
+      ControlInterface* control,
+      EventDispatcher* dispatcher,
+      Metrics* metrics,
+      Manager* manager,
+      const std::string& link_name,
       int interface_index);
 
  protected: