shill: Top-level mocks: Switch pointer/ref spacing

Switch to Chrome style spacing.

BUG=chromium:501026
TEST=Unit tests

Change-Id: I730ed5115e62319c2745dd6cef642e228b0fb66e
Reviewed-on: https://chromium-review.googlesource.com/278036
Reviewed-by: Rebecca Silberstein <silberst@chromium.org>
Commit-Queue: Paul Stewart <pstew@chromium.org>
Tested-by: Paul Stewart <pstew@chromium.org>
diff --git a/mock_ipconfig.cc b/mock_ipconfig.cc
index 923b793..91a77ca 100644
--- a/mock_ipconfig.cc
+++ b/mock_ipconfig.cc
@@ -8,8 +8,8 @@
 
 namespace shill {
 
-MockIPConfig::MockIPConfig(ControlInterface *control_interface,
-                           const std::string &device_name)
+MockIPConfig::MockIPConfig(ControlInterface* control_interface,
+                           const std::string& device_name)
     : IPConfig(control_interface, device_name) {
   ON_CALL(*this, properties())
       .WillByDefault(Invoke(this, &MockIPConfig::real_properties));