Switch to standard integer types in ios/.

ios/chrome/browser/snapshots/snapshots_util.mm

 // Copyright 2012 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.
 
 #include "ios/chrome/browser/snapshots/snapshots_util.h"
 
 #import <UIKit/UIKit.h>
 
 #include "base/files/file_util.h"
 #include "base/ios/ios_util.h"
 #include "base/location.h"
 #include "base/mac/foundation_util.h"
+#include "base/macros.h"
 #include "base/path_service.h"
 #include "base/strings/stringprintf.h"
 #include "ios/web/public/web_thread.h"
 
 namespace {
 const char* kOrientationDescriptions[] = {
     "LandscapeLeft",
     "LandscapeRight",
     "Portrait",
     "PortraitUpsideDown",
@@ skipping 34 matching lines @@
     retinaSuffix = "@3x";
   }
   for (unsigned int i = 0; i < arraysize(kOrientationDescriptions); i++) {
     std::string snapshotFilename =
         base::StringPrintf("UIApplicationAutomaticSnapshotDefault-%s%s.png",
                            kOrientationDescriptions[i], retinaSuffix);
     base::FilePath snapshotPath = snapshotsDir.Append(snapshotFilename);
     snapshotsPaths->push_back(snapshotPath);
   }
 }