Fix statics in NativeTheme*::instance() to avoid destruction post main

ui/gfx/native_theme_chromeos.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gfx/native_theme_chromeos.h"
 
+#include "base/basictypes.h"
 #include "base/logging.h"
 #include "grit/gfx_resources.h"
 #include "third_party/skia/include/effects/SkGradientShader.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "third_party/skia/include/core/SkShader.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/insets.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
@@ skipping 215 matching lines @@
 
 namespace gfx {
 
 // static
 const NativeTheme* NativeTheme::instance() {
   return NativeThemeChromeos::instance();
 }
 
 // static
 const NativeThemeChromeos* NativeThemeChromeos::instance() {
-  // The global NativeThemeChromeos instance.
   CR_DEFINE_STATIC_LOCAL(NativeThemeChromeos, s_native_theme, ());
   return &s_native_theme;
 }
 
 NativeThemeChromeos::NativeThemeChromeos() {
 }
 
 NativeThemeChromeos::~NativeThemeChromeos() {
 }
 
@@ skipping 504 matching lines @@
 
   if (stroke_border) {
     SkPaint stroke_paint;
     GetStrokePaint(state, &stroke_paint);
     canvas->drawPath(border, stroke_paint);
   }
 }
 
 }  // namespace gfx