Switch SkAutoMalloc to SkAutoTMalloc to avoid cast

samplecode/SampleFilterFuzz.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 "SampleCode.h"
 #include "SkAlphaThresholdFilter.h"
 #include "SkBlurImageFilter.h"
 #include "SkCanvas.h"
@@ skipping 197 matching lines @@
         make_checkerboard_bitmap(bitmap[1]);
         initialized = true;
     }
     return bitmap[R(2)];
 }
 
 static SkData* make_3Dlut(int* cubeDimension, bool invR, bool invG, bool invB) {
     int size = 4 << R(5);
     SkData* data = SkData::NewUninitialized(sizeof(SkColor) * size * size * size);
     SkColor* pixels = (SkColor*)(data->writable_data());
-    SkAutoMalloc lutMemory(size);
-    SkAutoMalloc invLutMemory(size);
-    uint8_t* lut = (uint8_t*)lutMemory.get();
-    uint8_t* invLut = (uint8_t*)invLutMemory.get();
+    SkAutoTMalloc<uint8_t> lutMemory(size);
+    SkAutoTMalloc<uint8_t> invLutMemory(size);
+    uint8_t* lut = lutMemory.get();
+    uint8_t* invLut = invLutMemory.get();
     const int maxIndex = size - 1;
     for (int i = 0; i < size; i++) {
         lut[i] = (i * 255) / maxIndex;
         invLut[i] = ((maxIndex - i) * 255) / maxIndex;
     }
     for (int r = 0; r < size; ++r) {
         for (int g = 0; g < size; ++g) {
             for (int b = 0; b < size; ++b) {
                 pixels[(size * ((size * b) + g)) + r] = SkColorSetARGB(0xFF,
                         invR ? invLut[r] : lut[r],
@@ skipping 285 matching lines @@
     }
 
 private:
     typedef SkView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new ImageFilterFuzzView; }
 static SkViewRegister reg(MyFactory);