[shill] Use base/logging.h, but with syslog support.

Also, go to base/command_line.h; I love gflags, but base/logging.h requires CommandLine, and having two
ways to handle command line flags seems bad.  cros-disks does it, though...

BUG=None
TEST=unit tests

Change-Id: I2a88926366d324a102dfe50583d244c49f33af08
Reviewed-on: http://gerrit.chromium.org/gerrit/602
Reviewed-by: Chris Masone <cmasone@chromium.org>
Tested-by: Chris Masone <cmasone@chromium.org>
diff --git a/shill_daemon.cc b/shill_daemon.cc
index 91175bc..f9511ad 100644
--- a/shill_daemon.cc
+++ b/shill_daemon.cc
@@ -9,7 +9,8 @@
 #include <string>
 #include <vector>
 
-#include "shill/shill_logging.h"
+#include <base/logging.h>
+
 #include "shill/shill_daemon.h"
 #include "shill/control_interface.h"
 #include "shill/dbus_control.h"
@@ -35,7 +36,8 @@
 
 void Daemon::Run() {
   GMainLoop* loop = g_main_loop_new(NULL, false);
-  SHILL_LOG(INFO, SHILL_LOG_DAEMON) << "Running main loop.";
+  // TODO(cmasone): change this to VLOG(1) once we have it.
+  LOG(INFO) << "Running main loop.";
   g_main_loop_run(loop);
 }