Require SK_DECLARE_STATIC_LAZY_PTR is used in global scope.

src/core/SkPathRef.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBuffer.h"
 #include "SkLazyPtr.h"
 #include "SkPath.h"
@@ skipping 11 matching lines @@
         copy->copy(**pathRef, incReserveVerbs, incReservePoints);
         pathRef->reset(copy);
     }
     fPathRef = *pathRef;
     fPathRef->fGenerationID = 0;
     SkDEBUGCODE(sk_atomic_inc(&fPathRef->fEditorsAttached);)
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
-SkPathRef* SkPathRef::CreateEmptyImpl() {
+// As a template argument, this must have external linkage.
+SkPathRef* sk_create_empty_pathref() {
     SkPathRef* empty = SkNEW(SkPathRef);
     empty->computeBounds();   // Avoids races later to be the first to do this.
     return empty;
 }
 
+SK_DECLARE_STATIC_LAZY_PTR(SkPathRef, empty, sk_create_empty_pathref);
+
 SkPathRef* SkPathRef::CreateEmpty() {
-    SK_DECLARE_STATIC_LAZY_PTR(SkPathRef, empty, CreateEmptyImpl);
     return SkRef(empty.get());
 }
 
 void SkPathRef::CreateTransformedCopy(SkAutoTUnref<SkPathRef>* dst,
                                       const SkPathRef& src,
                                       const SkMatrix& matrix) {
     SkDEBUGCODE(src.validate();)
     if (matrix.isIdentity()) {
         if (*dst != &src) {
             src.ref();
@@ skipping 431 matching lines @@
                 break;
             default:
                 SkDEBUGFAIL("Unknown Verb");
                 break;
         }
     }
     SkASSERT(mask == fSegmentMask);
 #endif // SK_DEBUG_PATH
 }
 #endif