shill: Top-level files f-m: Switch pointer/ref spacing

Switch to Chrome style spacing.

BUG=chromium:501026
TEST=Unit tests

Change-Id: I107e2f78ca2e3edb3e8b333e2c1792a924361eb3
Reviewed-on: https://chromium-review.googlesource.com/278039
Reviewed-by: Rebecca Silberstein <silberst@chromium.org>
Commit-Queue: Paul Stewart <pstew@chromium.org>
Tested-by: Paul Stewart <pstew@chromium.org>
diff --git a/geolocation_info.h b/geolocation_info.h
index 6557fc0..9b0f2e0 100644
--- a/geolocation_info.h
+++ b/geolocation_info.h
@@ -22,8 +22,8 @@
   GeolocationInfo();
   ~GeolocationInfo();
 
-  void AddField(const std::string &key, const std::string &value);
-  const std::string &GetFieldValue(const std::string &key) const;
+  void AddField(const std::string& key, const std::string& value);
+  const std::string& GetFieldValue(const std::string& key) const;
 
   const std::map<std::string, std::string> properties() const {
     return properties_;
@@ -33,7 +33,7 @@
   FRIEND_TEST(WiFiMainTest, GetGeolocationObjects);
 
   // An equality testing helper for unit tests.
-  bool Equals(const GeolocationInfo &info) const;
+  bool Equals(const GeolocationInfo& info) const;
 
   std::map<std::string, std::string> properties_;
 };