Move stringize_macros to base/strings.

This removes the unused L-string macros in the file.

BUG=

Review URL: https://codereview.chromium.org/12090083

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@179926 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/google_apis/google_api_keys.cc b/google_apis/google_api_keys.cc
index 97ef31a..cd13b9e 100644
--- a/google_apis/google_api_keys.cc
+++ b/google_apis/google_api_keys.cc
@@ -11,7 +11,7 @@
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/stringize_macros.h"
+#include "base/strings/stringize_macros.h"
 
 #if defined(GOOGLE_CHROME_BUILD) || defined(USE_OFFICIAL_GOOGLE_API_KEYS)
 #include "google_apis/internal/google_chrome_api_keys.h"