Switch to standard integer types in chrome/browser/chromeos/.

chrome/browser/chromeos/login/screenshot_testing/SkDiffPixelsMetric_cpu.cpp

 // 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.
 
 // WARNING! This file is copied from third_party/skia/tools/skpdiff and slightly
 // modified to be compilable outside Skia and suit chromium style. Some comments
 // can make no sense.
 // TODO(elizavetai): remove this file and reuse the original one in Skia
 
+#include <stdint.h>
+
 #include "chrome/browser/chromeos/login/screenshot_testing/SkDiffPixelsMetric.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 bool SkDifferentPixelsMetric::diff(
     SkBitmap* baseline,
     SkBitmap* test,
     const SkImageDiffer::BitmapsToCreate& bitmapsToCreate,
     SkImageDiffer::Result* result) {
   // Ensure the images are comparable
   if (baseline->width() != test->width() ||
@@ skipping 95 matching lines @@
   }
   if (bitmapsToCreate.whiteDiff) {
     result->whiteDiffBitmap.unlockPixels();
   }
 
   // Calculates the percentage of identical pixels
   result->result = 1.0 - ((double)result->poiCount / (width * height));
 
   return true;
 }