Revert of Remove SK_SUPPORT_LEGACY_DEEPFLATTENING.

src/effects/SkTileImageFilter.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 "SkTileImageFilter.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
@@ skipping 75 matching lines @@
                                        SkIRect* dst) const {
     SkRect srcRect;
     ctm.mapRect(&srcRect, fSrcRect);
     SkIRect srcIRect;
     srcRect.roundOut(&srcIRect);
     srcIRect.join(src);
     *dst = srcIRect;
     return true;
 }
 
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+SkTileImageFilter::SkTileImageFilter(SkReadBuffer& buffer)
+  : INHERITED(1, buffer) {
+    buffer.readRect(&fSrcRect);
+    buffer.readRect(&fDstRect);
+    buffer.validate(buffer.isValid() && SkIsValidRect(fSrcRect) && SkIsValidRect(fDstRect));
+}
+#endif
+
 SkFlattenable* SkTileImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
     SkRect src, dst;
     buffer.readRect(&src);
     buffer.readRect(&dst);
     return Create(src, dst, common.getInput(0), common.uniqueID());
 }
 
 void SkTileImageFilter::flatten(SkWriteBuffer& buffer) const {
     this->INHERITED::flatten(buffer);
     buffer.writeRect(fSrcRect);
     buffer.writeRect(fDstRect);
 }