Add histograms for notices about other forms of browsing history

chrome/browser/android/preferences/pref_service_bridge.cc

 // 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.
 
 #include "chrome/browser/android/preferences/pref_service_bridge.h"
 
 #include <jni.h>
 #include <stddef.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/android/build_info.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/jni_weak_ref.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
+#include "base/metrics/histogram_macros.h"
 #include "base/scoped_observer.h"
 #include "base/strings/string_util.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browsing_data/browsing_data_counter_utils.h"
 #include "chrome/browser/browsing_data/browsing_data_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_remover.h"
 #include "chrome/browser/browsing_data/browsing_data_remover_factory.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/history/web_history_service_factory.h"
@@ skipping 577 matching lines @@
 
 static jboolean CanDeleteBrowsingHistory(JNIEnv* env,
                                          const JavaParamRef<jobject>& obj) {
   return GetPrefService()->GetBoolean(prefs::kAllowDeletingBrowserHistory);
 }
 
 static void ShowNoticeAboutOtherFormsOfBrowsingHistory(
     ScopedJavaGlobalRef<jobject>* listener,
     bool show) {
   JNIEnv* env = AttachCurrentThread();
+  UMA_HISTOGRAM_BOOLEAN(
+      "History.ClearBrowsingData.HistoryNoticeShownInFooterWhenUpdated", show);
   if (!show)
     return;
   Java_OtherFormsOfBrowsingHistoryListener_showNoticeAboutOtherFormsOfBrowsingHistory(
       env, listener->obj());
 }
 
 static void EnableDialogAboutOtherFormsOfBrowsingHistory(
     ScopedJavaGlobalRef<jobject>* listener,
     bool enabled) {
   JNIEnv* env = AttachCurrentThread();
@@ skipping 438 matching lines @@
 
   return ConvertJavaStringToUTF8(android_permission);
 }
 
 static void SetSupervisedUserId(JNIEnv* env,
                                 const JavaParamRef<jobject>& obj,
                                 const JavaParamRef<jstring>& pref) {
   GetPrefService()->SetString(prefs::kSupervisedUserId,
                               ConvertJavaStringToUTF8(env, pref));
 }