Revert of Remove SK_SUPPORT_LEGACY_DEEPFLATTENING.

src/effects/SkRectShaderImageFilter.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 "SkRectShaderImageFilter.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
@@ skipping 16 matching lines @@
     SkASSERT(s);
     return s ? SkNEW_ARGS(SkRectShaderImageFilter, (s, cropRect, uniqueID)) : NULL;
 }
 
 SkRectShaderImageFilter::SkRectShaderImageFilter(SkShader* s, const CropRect* cropRect,
                                                  uint32_t uniqueID)
   : INHERITED(0, NULL, cropRect, uniqueID)
   , fShader(SkRef(s)) {
 }
 
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+SkRectShaderImageFilter::SkRectShaderImageFilter(SkReadBuffer& buffer)
+  : INHERITED(0, buffer) {
+    fShader = buffer.readShader();
+}
+#endif
+
 SkFlattenable* SkRectShaderImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 0);
     SkAutoTUnref<SkShader> shader(buffer.readShader());
     return Create(shader.get(), &common.cropRect(), common.uniqueID());
 }
 
 void SkRectShaderImageFilter::flatten(SkWriteBuffer& buffer) const {
     this->INHERITED::flatten(buffer);
     buffer.writeFlattenable(fShader);
 }
@@ skipping 25 matching lines @@
     SkSafeUnref(paint.setShader(SkShader::CreateLocalMatrixShader(fShader, matrix)));
 
     SkRect rect = SkRect::MakeWH(SkIntToScalar(bounds.width()), SkIntToScalar(bounds.height()));
     canvas.drawRect(rect, paint);
 
     *result = device.get()->accessBitmap(false);
     offset->fX = bounds.fLeft;
     offset->fY = bounds.fTop;
     return true;
 }