remove two more effects that are now immutable

src/core/SkPicturePlayback.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 <new>
 #include "SkBBoxHierarchy.h"
 #include "SkOffsetTable.h"
 #include "SkPicturePlayback.h"
@@ skipping 133 matching lines @@
 }
 
 static bool needs_deep_copy(const SkPaint& paint) {
     /*
      *  These fields are known to be immutable, and so can be shallow-copied
      *
      *  getTypeface()
      *  getAnnotation()
      *  paint.getColorFilter()
      *  getXfermode()
+     *  getPathEffect()
+     *  getMaskFilter()
      */
 
-    return paint.getPathEffect() ||
-           paint.getShader() ||
-           paint.getMaskFilter() ||
+    return paint.getShader() ||
+#ifdef SK_SUPPORT_LEGACY_LAYERRASTERIZER_API
            paint.getRasterizer() ||
-           paint.getLooper() ||
+#endif
+           paint.getLooper() || // needs to hide its addLayer...
            paint.getImageFilter();
 }
 
 SkPicturePlayback::SkPicturePlayback(const SkPicturePlayback& src, SkPictCopyInfo* deepCopyInfo)
     : fInfo(src.fInfo) {
     this->init();
 
     fBitmapHeap.reset(SkSafeRef(src.fBitmapHeap.get()));
     fPathHeap.reset(SkSafeRef(src.fPathHeap.get()));
 
@@ skipping 1660 matching lines @@
     for (index = 0; index < fPictureCount; index++)
         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
             "picture%p, ", fPictureRefs[index]);
     if (fPictureCount > 0)
         SkDebugf("%s0};\n", pBuffer);
 
     const_cast<SkPicturePlayback*>(this)->dumpStream();
 }
 
 #endif