Migrate ios to histogram_macros.h includes.
This is the last platform that needed to be migrated,
so now the histogram_macros.h include can be removed
from histogram.h.
BUG=416479
[email protected]
Review-Url: https://codereview.chromium.org/2658763003
Cr-Commit-Position: refs/heads/master@{#446682}
diff --git a/ios/chrome/browser/ui/preload_controller.mm b/ios/chrome/browser/ui/preload_controller.mm
index 5c4c43d3..bd46dc6 100644
--- a/ios/chrome/browser/ui/preload_controller.mm
+++ b/ios/chrome/browser/ui/preload_controller.mm
@@ -9,7 +9,7 @@
#include "base/ios/device_util.h"
#include "base/logging.h"
#include "base/metrics/field_trial.h"
-#include "base/metrics/histogram.h"
+#include "base/metrics/histogram_macros.h"
#include "base/strings/sys_string_conversions.h"
#include "components/prefs/pref_service.h"
#include "ios/chrome/browser/browser_state/chrome_browser_state.h"
