Make base::TerminateBecauseOutOfMemory call RaiseException 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 <windows.h>
@@ skipping 14 matching lines @@
 #endif
 
 namespace base {
 
 namespace {
 
 #pragma warning(push)
 #pragma warning(disable: 4702)
 
 int OnNoMemory(size_t size) {
+  // Custom exception code chosen to indicate an out of memory error.
+  // See https://msdn.microsoft.com/en-us/library/het71c37.aspx.
+  // "To make sure that you do not define a code that conflicts with an existing
+  // exception code" ... "The resulting error code should therefore have the
+  // highest four bits set to hexadecimal E."
+  // 0xe0000008 was chosen arbitrarily as 0x00000008 is ERROR_NOT_ENOUGH_MEMORY.
+  const DWORD kOomExceptionCode = 0xe0000008;

[Mark Mentovai, 2016/07/21 21:15:11]

Now you’ve got to update the comment in Breakpad to point to this file. :)

+
   // Kill the process. This is important for security since most of code
   // does not check the result of memory allocation.
   // https://msdn.microsoft.com/en-us/library/het71c37.aspx
-  ::RaiseException(win::kOomExceptionCode, EXCEPTION_NONCONTINUABLE, 0,
-                   nullptr);
+  ::RaiseException(kOomExceptionCode, EXCEPTION_NONCONTINUABLE, 0, nullptr);
   // Safety check, make sure process exits here.
-  _exit(win::kOomExceptionCode);
+  _exit(kOomExceptionCode);
   return 0;
 }
 
 #pragma warning(pop)
 
-// HeapSetInformation function pointer.
-typedef BOOL (WINAPI* HeapSetFn)(HANDLE, HEAP_INFORMATION_CLASS, PVOID, SIZE_T);
+}  // namespace
 
-}  // namespace
+void TerminateBecauseOutOfMemory(size_t size) {
+  OnNoMemory(size);
+}
 
 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