Switch to standard integer types in components/, part 2 of 4.

components/history/core/common/thumbnail_score.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 COMPONENTS_HISTORY_CORE_COMMON_THUMBNAIL_SCORE_H_
 #define COMPONENTS_HISTORY_CORE_COMMON_THUMBNAIL_SCORE_H_
 
+#include <stdint.h>
+
 #include <string>
 #include "base/time/time.h"
 
 // A set of metadata about a Thumbnail.
 struct ThumbnailScore {
   // Initializes the ThumbnailScore to the absolute worst possible values
   // except for time, which is set to Now(), and redirect_hops_from_dest which
   // is set to 0.
   ThumbnailScore();
 
@@ skipping 64 matching lines @@
   // How bad a thumbnail needs to be before we completely ignore it.
   static const double kThumbnailMaximumBoringness;
 
   // We consider a thumbnail interesting enough if the boring score is
   // lower than this.
   static const double kThumbnailInterestingEnoughBoringness;
 
   // Time before we take a worse thumbnail (subject to
   // kThumbnailMaximumBoringness) over what's currently in the database
   // for freshness.
-  static const int64 kUpdateThumbnailTimeDays;
+  static const int64_t kUpdateThumbnailTimeDays;
 
   // Penalty of how much more boring a thumbnail should be per hour.
   static const double kThumbnailDegradePerHour;
 
   // If a thumbnail is taken with the aspect ratio greater than or equal to
   // this value, |good_clipping| is to false.
   static const double kTooWideAspectRatio;
 
   // Checks whether we should consider updating a new thumbnail based on
   // this score. For instance, we don't have to update a new thumbnail
   // if the current thumbnail is new and interesting enough.
   bool ShouldConsiderUpdating();
 };
 
 // Checks whether we should replace one thumbnail with another.
 bool ShouldReplaceThumbnailWith(const ThumbnailScore& current,
                                 const ThumbnailScore& replacement);
 
 #endif  // COMPONENTS_HISTORY_CORE_COMMON_THUMBNAIL_SCORE_H_