shill: Rename MLOG to LOG

Redefine the LOG macro to route messages through MLOG.  Changed
mock_log.cc to actively look for messages with the MemoryLog prefix and
remove it, thus greatly simplifying testing.

BUG=chromium-os:31145
TEST=Builds, unit tests still pass

Change-Id: I458f40048375ac8848f7a009d9a6f6b7f52f6744
Reviewed-on: https://gerrit.chromium.org/gerrit/29942
Commit-Ready: Christopher Wiley <wiley@chromium.org>
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Tested-by: Christopher Wiley <wiley@chromium.org>
diff --git a/property_accessor.h b/property_accessor.h
index 74071fc..58c085e 100644
--- a/property_accessor.h
+++ b/property_accessor.h
@@ -6,11 +6,11 @@
 #define SHILL_PROPERTY_ACCESSOR_
 
 #include <base/basictypes.h>
-#include <base/logging.h>
 #include <gtest/gtest_prod.h>  // for FRIEND_TEST.
 
 #include "shill/accessor_interface.h"
 #include "shill/error.h"
+#include "shill/logging.h"
 
 namespace shill {