Bug 1204184 - Disallow compiler warnings in dom/filesystem/. r=baku.

The ALLOW_COMPILER_WARNINGS=True is no longer needed.

--HG--
extra : rebase_source : fc42114fa4d2c6a92b4a26b8c9205ef97d1eaa36

dom/filesystem/moz.build

@@ -41,6 +41,3 @@ include('/ipc/chromium/chromium-config.mozbuild')
 LOCAL_INCLUDES += [
     '/dom/base',
 ]
-
-if CONFIG['CLANG_CXX']:
-    ALLOW_COMPILER_WARNINGS = True