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

chrome/browser/task_management/providers/web_contents/printing_tag.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_TASK_MANAGEMENT_PROVIDERS_WEB_CONTENTS_PRINTING_TAG_H_
 #define CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_WEB_CONTENTS_PRINTING_TAG_H_
 
+#include "base/macros.h"
 #include "chrome/browser/task_management/providers/web_contents/printing_task.h"
 #include "chrome/browser/task_management/providers/web_contents/web_contents_tag.h"
 
 namespace task_management {
 
 // Defines a concrete UserData type for WebContents created for print previews
 // and background printing.
 class PrintingTag : public WebContentsTag {
  public:
   // task_management::WebContentsTag:
   PrintingTask* CreateTask() const override;
 
  private:
   friend class WebContentsTags;
 
   explicit PrintingTag(content::WebContents* web_contents);
   ~PrintingTag() override;
 
   DISALLOW_COPY_AND_ASSIGN(PrintingTag);
 };
 
 }  // namespace task_management
 
 #endif  // CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_WEB_CONTENTS_PRINTING_TAG_H_