Require SK_DECLARE_STATIC_LAZY_PTR is used in global scope.

src/core/SkFontHost.cpp

 /*
  * Copyright 2009 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkFontLCDConfig.h"
 #include "SkLazyPtr.h"
 
@@ skipping 180 matching lines @@
         return NULL;
     }
     return this->onCreateFromFile(path, ttcIndex);
 }
 
 SkTypeface* SkFontMgr::legacyCreateTypeface(const char familyName[],
                                             unsigned styleBits) const {
     return this->onLegacyCreateTypeface(familyName, styleBits);
 }
 
-SkFontMgr* SkFontMgr::CreateDefault() {
+// As a template argument this must have external linkage.
+SkFontMgr* sk_fontmgr_create_default() {
     SkFontMgr* fm = SkFontMgr::Factory();
     return fm ? fm : SkNEW(SkEmptyFontMgr);
 }
 
+SK_DECLARE_STATIC_LAZY_PTR(SkFontMgr, singleton, sk_fontmgr_create_default);
+
 SkFontMgr* SkFontMgr::RefDefault() {
-    SK_DECLARE_STATIC_LAZY_PTR(SkFontMgr, singleton, CreateDefault);
     return SkRef(singleton.get());
 }