Improve assert reporting.

src/ports/SkMemory_malloc.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 "SkTypes.h"
 
 #include <stdlib.h>
@@ skipping 13 matching lines @@
         sk_out_of_memory(size);
     }
     return p;
 }
 
 void sk_abort_no_print() {
 #if defined(SK_BUILD_FOR_WIN) && defined(SK_IS_BOT)
     // do not display a system dialog before aborting the process
     _set_abort_behavior(0, _WRITE_ABORT_MSG);
 #endif
+#if defined(SK_DEBUG) && defined(SK_BUILD_FOR_WIN)
+    __debugbreak();
+#else
     abort();
+#endif
 }
 
 void sk_out_of_memory(void) {
     SkDEBUGFAIL("sk_out_of_memory");
     abort();
 }
 
 void* sk_malloc_throw(size_t size) {
     return sk_malloc_flags(size, SK_MALLOC_THROW);
 }
@@ skipping 17 matching lines @@
     }
 }
 
 void* sk_calloc(size_t size) {
     return calloc(size, 1);
 }
 
 void* sk_calloc_throw(size_t size) {
     return throw_on_failure(size, sk_calloc(size));
 }