Use the USE_NSS macro to help porting to FreeBSD, OpenBSD, etc.

Fix cpplint nits.

R=evan,pvalchev
BUG=none
TEST=No compilation errors.
Review URL: http://codereview.chromium.org/558008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@37358 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/build/build_config.h b/build/build_config.h
index da7a37f..ebf72f3 100644
--- a/build/build_config.h
+++ b/build/build_config.h
@@ -49,14 +49,15 @@
 
 // For access to standard POSIXish features, use OS_POSIX instead of a
 // more specific macro.
-#if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_FREEBSD) || defined(OS_OPENBSD)
+#if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_FREEBSD) || \
+    defined(OS_OPENBSD)
 #define OS_POSIX 1
 // Use base::DataPack for name/value pairs.
 #define USE_BASE_DATA_PACK 1
 #endif
 
 // Use tcmalloc
-#if defined(OS_WIN) && ! defined(NO_TCMALLOC)
+#if defined(OS_WIN) && !defined(NO_TCMALLOC)
 #define USE_TCMALLOC 1
 #endif