Switch to standard integer types in chrome/browser/, part 1 of 4.

chrome/browser/chrome_child_process_watcher.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_CHROME_CHILD_PROCESS_WATCHER_H_
 #define CHROME_BROWSER_CHROME_CHILD_PROCESS_WATCHER_H_
 
-#include "base/basictypes.h"
+#include "base/macros.h"
 #include "content/public/browser/browser_child_process_observer.h"
 
 // ChromeChildProcessWatcher watches for crashed child processes.
 class ChromeChildProcessWatcher : public content::BrowserChildProcessObserver {
  public:
   ChromeChildProcessWatcher();
   ~ChromeChildProcessWatcher() override;
 
  private:
   // content::BrowserChildProcessObserver:
   void BrowserChildProcessCrashed(const content::ChildProcessData& data,
                                   int exit_code) override;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeChildProcessWatcher);
 };
 
 #endif  // CHROME_BROWSER_CHROME_CHILD_PROCESS_WATCHER_H_