Remove base/debug_util. Move the debug UI related functions to base/debug/deb...

base/mac/os_crash_dumps.cc

+// Copyright (c) 2010 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/mac/os_crash_dumps.h"
+
+#include <signal.h>
+#include <unistd.h>
+
+#include "base/basictypes.h"
+
+namespace base {
+namespace mac {
+
+namespace {
+
+void ExitSignalHandler(int sig) {
+  // A call to exit() can call atexit() handlers.  If we SIGSEGV due
+  // to a corrupt heap, and if we have an atexit handler that
+  // allocates or frees memory, we are in trouble if we do not _exit.
+  _exit(128 + sig);
+}
+
+}  // namespace
+
+void DisableOSCrashDumps() {
+  // These are the POSIX signals corresponding to the Mach exceptions that
+  // Apple Crash Reporter handles.  See ux_exception() in xnu's
+  // bsd/uxkern/ux_exception.c and machine_exception() in xnu's
+  // bsd/dev/*/unix_signal.c.
+  const int signals_to_intercept[] = {
+    SIGILL,   // EXC_BAD_INSTRUCTION
+    SIGTRAP,  // EXC_BREAKPOINT
+    SIGFPE,   // EXC_ARITHMETIC
+    SIGBUS,   // EXC_BAD_ACCESS
+    SIGSEGV   // EXC_BAD_ACCESS
+  };
+
+  // For all these signals, just wire things up so we exit immediately.
+  for (size_t i = 0; i < arraysize(signals_to_intercept); ++i)
+    signal(signals_to_intercept[i], ExitSignalHandler);
+}
+
+}  // namespace mac
+}  // namespace base