SkPDF: Fix leak in SkPDFShader

src/pdf/SkPDFShader.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 "SkPDFShader.h"
@@ skipping 859 matching lines @@
         functionCode = codeFunction(twoPointRadialInfo, perspectiveInverseOnly);
     } else {
         functionCode = codeFunction(*info, perspectiveInverseOnly);
     }
 
     SkAutoTUnref<SkPDFDict> pdfShader(new SkPDFDict);
     pdfShader->insertInt("ShadingType", 1);
     pdfShader->insertName("ColorSpace", "DeviceRGB");
     pdfShader->insert("Domain", domain.get());
 
-    SkPDFStream* function = make_ps_function(functionCode, domain.get());
+    SkAutoTUnref<SkPDFStream> function(
+            make_ps_function(functionCode, domain.get()));
     pdfShader->insert("Function", new SkPDFObjRef(function))->unref();
 
     SkAutoTUnref<SkPDFArray> matrixArray(
             SkPDFUtils::MatrixToArray(finalMatrix));
 
     SkPDFFunctionShader* pdfFunctionShader =
             SkNEW_ARGS(SkPDFFunctionShader, (autoState->detach()));
 
     pdfFunctionShader->insertInt("PatternType", 2);
     pdfFunctionShader->insert("Matrix", matrixArray.get());
@@ skipping 410 matching lines @@
     return false;
 }
 
 void SkPDFShader::State::AllocateGradientInfoStorage() {
     fColorData.set(sk_malloc_throw(
                fInfo.fColorCount * (sizeof(SkColor) + sizeof(SkScalar))));
     fInfo.fColors = reinterpret_cast<SkColor*>(fColorData.get());
     fInfo.fColorOffsets =
             reinterpret_cast<SkScalar*>(fInfo.fColors + fInfo.fColorCount);
 }