Make sure SkDrawLooper objects can only be allocated on the heap.

src/effects/SkBlurDrawLooper.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 "SkBlurDrawLooper.h"
 #include "SkBlurMask.h"     // just for SkBlurMask::ConvertRadiusToSigma
 #include "SkBlurMaskFilter.h"
 #include "SkCanvas.h"
 #include "SkColorFilter.h"
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
 #include "SkMaskFilter.h"
 #include "SkPaint.h"
 #include "SkString.h"
 #include "SkStringUtils.h"
 
+#ifdef SK_SUPPORT_LEGACY_BLURDRAWLOOPERCONSTRUCTORS
 SkBlurDrawLooper::SkBlurDrawLooper(SkScalar radius, SkScalar dx, SkScalar dy,
                                    SkColor color, uint32_t flags) {
     this->init(SkBlurMask::ConvertRadiusToSigma(radius), dx, dy, color, flags);
 }
+#endif
 
 SkBlurDrawLooper::SkBlurDrawLooper(SkColor color, SkScalar sigma,
                                    SkScalar dx, SkScalar dy, uint32_t flags) {
     this->init(sigma, dx, dy, color, flags);
 }
 
 void SkBlurDrawLooper::init(SkScalar sigma, SkScalar dx, SkScalar dy,
                             SkColor color, uint32_t flags) {
     fDx = dx;
     fDy = dy;
@@ skipping 128 matching lines @@
                           &needsSeparator);
         SkAddFlagToString(str, SkToBool(kHighQuality_BlurFlag & fBlurFlags), "HighQuality",
                           &needsSeparator);
     }
     str->append(")");
 
     // TODO: add optional "fBlurFilter->toString(str);" when SkMaskFilter::toString is added
     // alternatively we could cache the radius in SkBlurDrawLooper and just add it here
 }
 #endif