shill: Replace VLOG with SLOG.

This CL replaces all uses of VLOG(level) with SLOG(scope, level) with
the same verbose level and an appropriate scope for each affected
logging statement.

BUG=chromium-os:29641
TEST=Build and run unit tests. Test scope logging with ff_debug.

Change-Id: Ifdcf1faa2a309bcbd9ee369a66179ce9c7f1ad19
Reviewed-on: https://gerrit.chromium.org/gerrit/20629
Commit-Ready: Ben Chan <benchan@chromium.org>
Reviewed-by: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
diff --git a/scope_logger_unittest.cc b/scope_logger_unittest.cc
index 7bd5e5c..0d8bf60 100644
--- a/scope_logger_unittest.cc
+++ b/scope_logger_unittest.cc
@@ -36,18 +36,24 @@
   EXPECT_EQ("cellular+"
             "connection+"
             "crypto+"
+            "daemon+"
             "dbus+"
             "device+"
-            "dhclient+"
+            "dhcp+"
+            "dns+"
             "ethernet+"
+            "http+"
+            "httpproxy+"
             "inet+"
             "manager+"
             "metrics+"
             "modem+"
             "portal+"
+            "power+"
             "profile+"
-            "resolv+"
-            "resolvfiles+"
+            "property+"
+            "resolver+"
+            "route+"
             "rtnl+"
             "service+"
             "storage+"