Revert of Remove SK_SUPPORT_LEGACY_DEEPFLATTENING.

src/effects/SkLumaColorFilter.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 "SkLumaColorFilter.h"
 
 #include "SkColorPriv.h"
@@ skipping 26 matching lines @@
         dst[i] = SkPackARGB32(luma, 0, 0, 0);
     }
 }
 
 SkColorFilter* SkLumaColorFilter::Create() {
     return SkNEW(SkLumaColorFilter);
 }
 
 SkLumaColorFilter::SkLumaColorFilter() : INHERITED() {}
 
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+SkLumaColorFilter::SkLumaColorFilter(SkReadBuffer& buffer) : INHERITED(buffer) {}
+#endif
+
 SkFlattenable* SkLumaColorFilter::CreateProc(SkReadBuffer&) {
     return SkNEW(SkLumaColorFilter);
 }
 
 void SkLumaColorFilter::flatten(SkWriteBuffer&) const {}
 
 #ifndef SK_IGNORE_TO_STRING
 void SkLumaColorFilter::toString(SkString* str) const {
     str->append("SkLumaColorFilter ");
 }
@@ skipping 54 matching lines @@
         // The output is always black. The alpha value for the color passed in is arbitrary.
         inout->setToOther(kRGB_GrColorComponentFlags, GrColorPackRGBA(0, 0, 0, 0),
                           GrInvariantOutput::kWill_ReadInput);
     }
 };
 
 GrFragmentProcessor* SkLumaColorFilter::asFragmentProcessor(GrContext*) const {
     return LumaColorFilterEffect::Create();
 }
 #endif