Remove SK_SUPPORT_LEGACY_DEEPFLATTENING.

src/core/SkLocalMatrixShader.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkLocalMatrixShader.h"
 
-#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
-SkLocalMatrixShader::SkLocalMatrixShader(SkReadBuffer& buffer) : INHERITED(buffer) {
-    fProxyShader.reset(buffer.readShader());
-    if (NULL == fProxyShader.get()) {
-        sk_throw();
-    }
-}
-#endif
-
 SkFlattenable* SkLocalMatrixShader::CreateProc(SkReadBuffer& buffer) {
     SkMatrix lm;
     buffer.readMatrix(&lm);
     SkAutoTUnref<SkShader> shader(buffer.readShader());
     if (!shader.get()) {
         return NULL;
     }
     return SkShader::CreateLocalMatrixShader(shader, lm);
 }
 
@@ skipping 41 matching lines @@
     SkMatrix otherLocalMatrix;
     SkAutoTUnref<SkShader> otherProxy(proxy->refAsALocalMatrixShader(&otherLocalMatrix));
     if (otherProxy.get()) {
         otherLocalMatrix.preConcat(localMatrix);
         lm = &otherLocalMatrix;
         proxy = otherProxy.get();
     }
 
     return SkNEW_ARGS(SkLocalMatrixShader, (proxy, *lm));
 }