Move GrAutoLocaleSetter to new file and fix issue with null locale

include/gpu/GrTypesPriv.h

Index: include/gpu/GrTypesPriv.h
diff --git a/include/gpu/GrTypesPriv.h b/include/gpu/GrTypesPriv.h
index 22b55bffa0dd53f83977373c6cf66ed8118279ec..412de897c6543b851dad3134020c0f9d1788deca 100644
--- a/include/gpu/GrTypesPriv.h
+++ b/include/gpu/GrTypesPriv.h
@@ -264,51 +264,4 @@ private:
     SkIRect fRect;
 };
 
-
-/**
- * Helper class for ensuring that we don't use the wrong locale when building shaders. Android
- * doesn't support locale in the NDK, so this is a no-op there.
- */
-#if !defined(SK_BUILD_FOR_ANDROID)
-#include <locale.h>
-#endif
-
-#if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
-#include <xlocale.h>
-#endif
-
-class GrAutoLocaleSetter {
-public:
-    GrAutoLocaleSetter (const char* name) {
-#if defined(SK_BUILD_FOR_WIN)
-        fOldPerThreadLocale = _configthreadlocale(_ENABLE_PER_THREAD_LOCALE);
-        fOldLocale = setlocale(LC_ALL, name);
-#elif !defined(SK_BUILD_FOR_ANDROID)
-        fLocale = newlocale(LC_ALL, name, 0);
-        fOldLocale = uselocale(fLocale);
-#else
-        (void) name; // suppress unused param warning.
-#endif
-    }
-
-    ~GrAutoLocaleSetter () {
-#if defined(SK_BUILD_FOR_WIN)
-        setlocale(LC_ALL, fOldLocale);
-        _configthreadlocale(fOldPerThreadLocale);
-#elif !defined(SK_BUILD_FOR_ANDROID)
-        uselocale(fOldLocale);
-        freelocale(fLocale);
-#endif
-    }
-
-private:
-#if defined(SK_BUILD_FOR_WIN)
-    int fOldPerThreadLocale;
-    const char* fOldLocale;
-#elif !defined(SK_BUILD_FOR_ANDROID)
-    locale_t fOldLocale;
-    locale_t fLocale;
-#endif
-};
-
 #endif