shill: Naming and lint cleanup pass

Reduce some double-speak in IPAddress constants.  Do a cursory
glint pass and clean up a few no-brainer issues.

BUG=None
TEST=Re-run unit tests

Change-Id: I063cd72111bd1f6321f81c6c6591b9f51d87434d
Reviewed-on: http://gerrit.chromium.org/gerrit/7181
Reviewed-by: Paul Stewart <pstew@chromium.org>
Tested-by: Paul Stewart <pstew@chromium.org>
diff --git a/wifi_unittest.cc b/wifi_unittest.cc
index b3872b0..0d71cbb 100644
--- a/wifi_unittest.cc
+++ b/wifi_unittest.cc
@@ -119,7 +119,7 @@
  protected:
   class TestProxyFactory : public ProxyFactory {
    public:
-    TestProxyFactory(WiFiMainTest *test) : test_(test) {}
+    explicit TestProxyFactory(WiFiMainTest *test) : test_(test) {}
 
     virtual SupplicantProcessProxyInterface *CreateSupplicantProcessProxy(
         const char *dbus_path, const char *dbus_addr) {
@@ -188,7 +188,6 @@
 
  private:
   TestProxyFactory proxy_factory_;
-
 };
 
 const char WiFiMainTest::kDeviceName[] = "wlan0";