Update metrics_library.h to find scoped_ptr.h in <base/memory>.

This is in preparation to the move to a newer libchrome, where
scoped_ptr.h no longer appears in base, just in base/memory.

BUG=chromium-os:16623
TEST=Do the emerge, and then examine /usr/include/metrics/metrics_library.h

Change-Id: I95cd9b52eee216316dd8ea21ecb84101d7a95edf
Reviewed-on: https://gerrit.chromium.org/gerrit/17073
Reviewed-by: Darin Petkov <petkov@chromium.org>
Commit-Ready: Eric Shienbrood <ers@chromium.org>
Reviewed-by: Eric Shienbrood <ers@chromium.org>
Tested-by: Eric Shienbrood <ers@chromium.org>
diff --git a/metrics/metrics_library.h b/metrics/metrics_library.h
index 456610f..f8ce6c7 100644
--- a/metrics/metrics_library.h
+++ b/metrics/metrics_library.h
@@ -8,7 +8,7 @@
 #include <sys/types.h>
 #include <string>
 
-#include <base/scoped_ptr.h>
+#include <base/memory/scoped_ptr.h>
 #include <gtest/gtest_prod.h>  // for FRIEND_TEST
 
 #include "policy/libpolicy.h"