Move base/debug_on_start to base/debugger and rename it to be _win since it...

base/debug_on_start.cc

-// Copyright (c) 2006-2008 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 <windows.h>
-
-#include "base/debug_on_start.h"
-
-#include "base/base_switches.h"
-#include "base/basictypes.h"
-#include "base/debug/debugger.h"
-
-// Minimalist implementation to try to find a command line argument. We can use
-// kernel32 exported functions but not the CRT functions because we're too early
-// in the process startup.
-// The code is not that bright and will find things like ---argument or
-// /-/argument.
-// Note: command_line is non-destructively modified.
-bool DebugOnStart::FindArgument(wchar_t* command_line, const char* argument_c) {
-  wchar_t argument[50];
-  for (int i = 0; argument_c[i]; ++i)
-    argument[i] = argument_c[i];
-
-  int argument_len = lstrlen(argument);
-  int command_line_len = lstrlen(command_line);
-  while (command_line_len > argument_len) {
-    wchar_t first_char = command_line[0];
-    wchar_t last_char = command_line[argument_len+1];
-    // Try to find an argument.
-    if ((first_char == L'-' || first_char == L'/') &&
-        (last_char == L' ' || last_char == 0 || last_char == L'=')) {
-      command_line[argument_len+1] = 0;
-      // Skip the - or /
-      if (lstrcmpi(command_line+1, argument) == 0) {
-        // Found it.
-        command_line[argument_len+1] = last_char;
-        return true;
-      }
-      // Fix back.
-      command_line[argument_len+1] = last_char;
-    }
-    // Continue searching.
-    ++command_line;
-    --command_line_len;
-  }
-  return false;
-}
-
-// static
-int __cdecl DebugOnStart::Init() {
-  // Try to find the argument.
-  if (FindArgument(GetCommandLine(), switches::kDebugOnStart)) {
-    // We can do 2 things here:
-    // - Ask for a debugger to attach to us. This involve reading the registry
-    //   key and creating the process.
-    // - Do a int3.
-
-    // It will fails if we run in a sandbox. That is expected.
-    base::debug::SpawnDebuggerOnProcess(GetCurrentProcessId());
-
-    // Wait for a debugger to come take us.
-    base::debug::WaitForDebugger(60, false);
-  } else if (FindArgument(GetCommandLine(), switches::kWaitForDebugger)) {
-    // Wait for a debugger to come take us.
-    base::debug::WaitForDebugger(60, true);
-  }
-  return 0;
-}