Fix stack overuse error

tests/StreamTest.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 "Resources.h"
 #include "SkData.h"
 #include "SkFrontBufferedStream.h"
@@ skipping 363 matching lines @@
         ERRORF(reporter, "SkStreamCopy incorrect size");
         return;
     }
     if (0 != memcmp(data->data(), srcData, N)) {
         ERRORF(reporter, "SkStreamCopy bad copy");
     }
 }
 
 DEF_TEST(StreamCopy, reporter) {
     SkRandom random(123456);
-    static const size_t N = 10000;
-    uint8_t src[N];
-    for (size_t j = 0; j < N; ++j) {
+    static const int N = 10000;
+    SkAutoTMalloc<uint8_t> src((size_t)N);
+    for (int j = 0; j < N; ++j) {
         src[j] = random.nextU() & 0xff;
     }
     // SkStreamCopy had two code paths; this test both.
-    DumbStream dumbStream(src, N);
+    DumbStream dumbStream(src.get(), (size_t)N);
     stream_copy_test(reporter, src, N, &dumbStream);
-    SkMemoryStream smartStream(src, N);
+    SkMemoryStream smartStream(src.get(), (size_t)N);
     stream_copy_test(reporter, src, N, &smartStream);
 
 }