unchecked_malloc() for Skia on OSX.

skia/ext/SkMemory_new_handler.cpp

 // Copyright (c) 2012 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 <stdio.h>
 #include <stdlib.h>
 #include <new>
 
+#include "base/process_util.h"
+
 #include "third_party/skia/include/core/SkTypes.h"
 #include "third_party/skia/include/core/SkThread.h"
 
 // This implementation of sk_malloc_flags() and friends is identical
 // to SkMemory_malloc.c, except that it disables the CRT's new_handler
 // during malloc(), when SK_MALLOC_THROW is not set (ie., when
 // sk_malloc_flags() would not abort on NULL).
 
 SK_DECLARE_STATIC_MUTEX(gSkNewHandlerMutex);
 
@@ skipping 28 matching lines @@
     }
 }
 
 void* sk_malloc_flags(size_t size, unsigned flags) {
     void* p;
 #if defined(ANDROID)
     // Android doesn't have std::set_new_handler.
     p = malloc(size);
 #else
     if (!(flags & SK_MALLOC_THROW)) {
+#if defined(OS_MACOSX)
+      p = base::UncheckedMalloc(size);
+#else
       SkAutoMutexAcquire lock(gSkNewHandlerMutex);
       std::new_handler old_handler = std::set_new_handler(NULL);
       p = malloc(size);
       std::set_new_handler(old_handler);
+#endif
     } else {
       p = malloc(size);
     }
 #endif
     if (p == NULL) {
         if (flags & SK_MALLOC_THROW) {
             sk_throw();
         }
     }
     return p;
 }