Move GrAutoLocaleSetter to new file and fix issue with null locale

include/gpu/GrTypesPriv.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTypesPriv_DEFINED
 #define GrTypesPriv_DEFINED
 
@@ skipping 246 matching lines @@
     bool operator!=(const GrScissorState& other) const { return !(*this == other); }
 
     bool enabled() const { return fEnabled; }
     const SkIRect& rect() const { return fRect; }
 
 private:
     bool    fEnabled;
     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