Switch to standard integer types in chrome/browser/, part 3 of 4.

chrome/browser/predictors/resource_prefetch_predictor_tab_helper.h

 // Copyright 2014 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_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_TAB_HELPER_H_
 #define CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_TAB_HELPER_H_
 
+#include "base/macros.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
 
 namespace predictors {
 
 class ResourcePrefetchPredictorTabHelper
     : public content::WebContentsObserver,
       public content::WebContentsUserData<ResourcePrefetchPredictorTabHelper> {
  public:
   ~ResourcePrefetchPredictorTabHelper() override;
 
   // content::WebContentsObserver implementation
   void DocumentOnLoadCompletedInMainFrame() override;
   void DidLoadResourceFromMemoryCache(
       const content::LoadFromMemoryCacheDetails& details) override;
 
  private:
   explicit ResourcePrefetchPredictorTabHelper(
       content::WebContents* web_contents);
   friend class content::WebContentsUserData<ResourcePrefetchPredictorTabHelper>;
 
   DISALLOW_COPY_AND_ASSIGN(ResourcePrefetchPredictorTabHelper);
 };
 
 }  // namespace predictors
 
 #endif  // CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_TAB_HELPER_H_