Revert "Revert "add SK_ATTR_DEPRECATED -- will need to disable for chrome, since it triggers a warn…

src/effects/SkPorterDuff.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkPorterDuff.h"
@@ skipping 54 matching lines @@
 }
 
 SkXfermode* SkPorterDuff::CreateXfermode(SkPorterDuff::Mode mode) {
     const Pair& pair = gPairs[mode];
     SkASSERT(pair.fPD == mode);
     return SkXfermode::Create(pair.fXF);
 }
 
 bool SkPorterDuff::IsMode(SkXfermode* xfer, Mode* pdmode) {
     SkXfermode::Mode xfmode;
-    if (!SkXfermode::IsMode(xfer, &xfmode)) {
+    if (!SkXfermode::AsMode(xfer, &xfmode)) {
         return false;
     }
     return find_pdmode(xfmode, pdmode);
 }
 
 SkXfermodeProc SkPorterDuff::GetXfermodeProc(Mode mode) {
     return SkXfermode::GetProc(gPairs[mode].fXF);
 }
 
 SkXfermodeProc16 SkPorterDuff::GetXfermodeProc16(Mode mode, SkColor srcColor) {
     return SkXfermode::GetProc16(gPairs[mode].fXF, srcColor);
 }