Add sandbox support for process memory limits

sandbox/win/tests/validation_tests/commands.cc

Index: sandbox/win/tests/validation_tests/commands.cc
diff --git a/sandbox/win/tests/validation_tests/commands.cc b/sandbox/win/tests/validation_tests/commands.cc
index e7620c37600eb0d92e5957d5b7a794577b4b72f6..00796b76118eb66d010bac57668896047898fc5a 100644
--- a/sandbox/win/tests/validation_tests/commands.cc
+++ b/sandbox/win/tests/validation_tests/commands.cc
@@ -310,5 +310,25 @@ SBOX_TESTS_COMMAND int SleepCmd(int argc, wchar_t **argv) {
   return SBOX_TEST_SUCCEEDED;
 }
 
+SBOX_TESTS_COMMAND int AllocateCmd(int argc, wchar_t **argv) {
+  if (argc > 2)
+    return SBOX_TEST_FAILED_TO_EXECUTE_COMMAND;
+
+  size_t mem_size = static_cast<size_t>(_wtoll(argv[0]));
+  void* memory = ::VirtualAlloc(NULL, mem_size, MEM_COMMIT | MEM_RESERVE,
+                                PAGE_READWRITE);
+  if (!memory) {
+    // If we're testing broker termination we need to wait for it.
+    if (argc == 2 && _wcsicmp(argv[1], L"wait") == 0)
+      ::Sleep(5000);
+    return SBOX_TEST_DENIED;
+  }
+
+  if (!::VirtualFree(memory, 0, MEM_RELEASE))
+    return SBOX_TEST_FAILED;
+
+  return SBOX_TEST_SUCCEEDED;
+}
+
 
 }  // namespace sandbox