[Merge M56] arc: Restore UMA statistics for failures in LSO flow.

chrome/browser/chromeos/arc/arc_auth_service.cc

 // Copyright 2015 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/chromeos/arc/arc_auth_service.h"
 
 #include <utility>
 
 #include "ash/common/shelf/shelf_delegate.h"
 #include "ash/common/wm_shell.h"
@@ skipping 436 matching lines @@
 }
 
 void ArcAuthService::OnContextPrepared(
     net::URLRequestContextGetter* request_context_getter) {
   if (!support_host_)
     return;
 
   if (request_context_getter) {
     support_host_->ShowLso();
   } else {
+    UpdateOptInCancelUMA(OptInCancelReason::NETWORK_ERROR);
     support_host_->ShowError(ArcSupportHost::Error::SIGN_IN_NETWORK_ERROR,
                              false);
   }
 }
 
 void ArcAuthService::OnRobotAuthCodeFetched(
     const std::string& robot_auth_code) {
   // We fetching robot auth code for ARC kiosk only.
   DCHECK(IsArcKioskMode());
 
@@ skipping 637 matching lines @@
   preference_handler_->EnableLocationService(is_location_service_enabled);
   support_host_->ShowArcLoading();
   StartArcAndroidManagementCheck();
 }
 
 void ArcAuthService::OnAuthSucceeded(const std::string& auth_code) {
   DCHECK(support_host_);
   OnAuthCodeObtained(auth_code);
 }
 
+void ArcAuthService::OnAuthFailed() {
+  // Don't report via callback. Extension is already showing more detailed
+  // information. Update only UMA here.
+  UpdateOptInCancelUMA(OptInCancelReason::NETWORK_ERROR);
+}
+
 void ArcAuthService::OnRetryClicked() {
   DCHECK(support_host_);
 
   UpdateOptInActionUMA(OptInActionType::RETRY);
 
   // TODO(hidehiko): Simplify the retry logic.
   if (!profile_->GetPrefs()->GetBoolean(prefs::kArcTermsAccepted)) {
     // If the user has not yet agreed on Terms of Service, then show it.
     support_host_->ShowTermsOfService();
   } else if (support_host_->ui_page() == ArcSupportHost::UIPage::ERROR &&
@@ skipping 59 matching lines @@
       return os << "ACTIVE";
   }
 
   // Some compiler reports an error even if all values of an enum-class are
   // covered indivisually in a switch statement.
   NOTREACHED();
   return os;
 }
 
 }  // namespace arc