Change OOMs to raise custom exception rather than breakpoint on Windows.

base/process/memory_win.cc

 // Copyright (c) 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/process/memory.h"
 
 #include <new.h>
 #include <psapi.h>
 #include <stddef.h>
-
-#include "base/logging.h"
-#include "base/strings/safe_sprintf.h"
+#include <windows.h>
 
 // malloc_unchecked is required to implement UncheckedMalloc properly.
 // It's provided by allocator_shim_win.cc but since that's not always present,
 // we provide a default that falls back to regular malloc.
 typedef void* (*MallocFn)(size_t);
 extern "C" void* (*const malloc_unchecked)(size_t);
 extern "C" void* (*const malloc_default)(size_t) = &malloc;
 
 #if defined(_M_IX86)
 #pragma comment(linker, "/alternatename:_malloc_unchecked=_malloc_default")
 #elif defined(_M_X64) || defined(_M_ARM)
 #pragma comment(linker, "/alternatename:malloc_unchecked=malloc_default")
 #else
 #error Unsupported platform
 #endif
 
 namespace base {
 
 namespace {
 
 #pragma warning(push)
 #pragma warning(disable: 4702)
 
 int OnNoMemory(size_t size) {
-  // Make no additional allocations here to avoid getting into a death spiral
-  // when trying to log the error message.
-  char buf[64];
-  strings::ssize_t result =
-      strings::SafeSPrintf(buf, "Out of memory, size = %d\n", size);
-  RAW_CHECK(result != -1);
-
   // Kill the process. This is important for security since most of code
   // does not check the result of memory allocation.
-  RAW_LOG(FATAL, buf);
-
+  // https://msdn.microsoft.com/en-us/library/het71c37.aspx
+  ::RaiseException(win::kOomExceptionCode, EXCEPTION_NONCONTINUABLE, 0,
+                   nullptr);
   // Safety check, make sure process exits here.
-  _exit(1);
+  _exit(win::kOomExceptionCode);
   return 0;
 }
 
 #pragma warning(pop)
 
 // HeapSetInformation function pointer.
 typedef BOOL (WINAPI* HeapSetFn)(HANDLE, HEAP_INFORMATION_CLASS, PVOID, SIZE_T);
 
 }  // namespace
 
 void EnableTerminationOnHeapCorruption() {
   // Ignore the result code. Supported on XP SP3 and Vista.
   HeapSetInformation(NULL, HeapEnableTerminationOnCorruption, NULL, 0);
 }
 
 void EnableTerminationOnOutOfMemory() {
   _set_new_handler(&OnNoMemory);
   _set_new_mode(1);
 }
 
 // Implemented using a weak symbol.
 bool UncheckedMalloc(size_t size, void** result) {
   *result = malloc_unchecked(size);
   return *result != NULL;
 }
 
 }  // namespace base