Use TestDiscardableMemoryAllocator in filter_fuzz_stub.

skia/tools/filter_fuzz_stub/filter_fuzz_stub.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/files/file_util.h"
 #include "base/logging.h"
+#include "base/test/test_discardable_memory_allocator.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkFlattenableSerialization.h"
 #include "third_party/skia/include/core/SkImageFilter.h"
 
 namespace {
 
 static const int BitmapSize = 24;
 
 bool ReadTestCase(const char* filename, std::string* ipc_filter_message) {
   base::FilePath filepath = base::FilePath::FromUTF8Unsafe(filename);
@@ skipping 48 matching lines @@
   RunTestCase(ipc_filter_message, bitmap, canvas);
 
   return true;
 }
 
 }
 
 int main(int argc, char** argv) {
   int ret = 0;
 
+  base::TestDiscardableMemoryAllocator discardable_memory_allocator;
+  base::DiscardableMemoryAllocator::SetInstance(&discardable_memory_allocator);
+
   SkBitmap bitmap;
   bitmap.allocN32Pixels(BitmapSize, BitmapSize);
   SkCanvas canvas(bitmap);
   canvas.clear(0x00000000);
 
   for (int i = 1; i < argc; i++)
     if (!ReadAndRunTestCase(argv[i], bitmap, &canvas))
       ret = 2;
 
   // Cluster-Fuzz likes "#EOF" as the last line of output to help distinguish
   // successful runs from crashes.
   printf("#EOF\n");
 
   return ret;
 }