Add a gyp flag to enable dcheck by default in release without
having the pass a flag. This will be used on the try bots.

BUG=96753
Review URL: http://codereview.chromium.org/7719007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@102017 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 20960e074cf789825155f771e1c035df41cd0e75
diff --git a/base/file_util_unittest.cc b/base/file_util_unittest.cc
index c44b804..7b12fb8 100644
--- a/base/file_util_unittest.cc
+++ b/base/file_util_unittest.cc
@@ -223,7 +223,7 @@
     EXPECT_EQ(value.result, result);
   }
 
-#ifdef NDEBUG
+#if defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON)
   file_util::AppendToPath(NULL, L"path");  // asserts in debug mode
 #endif
 }