Clean up UMA 3g experiment and unify metrics enabled pref for Android

chrome/browser/profiles/profile_io_data.cc

 // Copyright (c) 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 "chrome/browser/profiles/profile_io_data.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 873 matching lines @@
   return media_device_id_salt_->GetSalt();
 }
 
 bool ProfileIOData::IsOffTheRecord() const {
   return profile_type() == Profile::INCOGNITO_PROFILE
       || profile_type() == Profile::GUEST_PROFILE;
 }
 
 void ProfileIOData::InitializeMetricsEnabledStateOnUIThread() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
-#if BUILDFLAG(ANDROID_JAVA_UI)
-  // TODO(dwkang): rename or unify the pref for UMA once we have conclusion
-  // in crbugs.com/246495.
-  // Android has it's own preferences for metrics / crash uploading.
-  enable_metrics_.Init(prefs::kCrashReportingEnabled,
-                       g_browser_process->local_state());
-  enable_metrics_.MoveToThread(
-      BrowserThread::GetTaskRunnerForThread(BrowserThread::IO));
-#else
   // Prep the PrefMember and send it to the IO thread, since this value will be
   // read from there.
   enable_metrics_.Init(metrics::prefs::kMetricsReportingEnabled,
                        g_browser_process->local_state());
   enable_metrics_.MoveToThread(
       BrowserThread::GetTaskRunnerForThread(BrowserThread::IO));
-#endif  // BUILDFLAG(ANDROID_JAVA_UI)
 }
 
 bool ProfileIOData::GetMetricsEnabledStateOnIOThread() const {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   return enable_metrics_.GetValue();
 }
 
 bool ProfileIOData::IsDataReductionProxyEnabled() const {
   return data_reduction_proxy_io_data() &&
       data_reduction_proxy_io_data()->IsEnabled();
@@ skipping 463 matching lines @@
 void ProfileIOData::SetCookieSettingsForTesting(
     content_settings::CookieSettings* cookie_settings) {
   DCHECK(!cookie_settings_.get());
   cookie_settings_ = cookie_settings;
 }
 
 policy::URLBlacklist::URLBlacklistState ProfileIOData::GetURLBlacklistState(
     const GURL& url) const {
   return url_blacklist_manager_->GetURLBlacklistState(url);
 }