arc: Enable silent PlayStore Sign-In.

chrome/browser/chromeos/arc/arc_auth_context.cc

 // Copyright 2016 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_context.h"
 
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chromeos/arc/arc_auth_context_delegate.h"
 #include "chrome/browser/chromeos/arc/arc_support_host.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 51 matching lines @@
 }
 
 void ArcAuthContext::OnRefreshTokenTimeout() {
   VLOG(2) << "Failed to wait for refresh token.";
   token_service_->RemoveObserver(this);
   delegate_->OnPrepareContextFailed();
 }
 
 void ArcAuthContext::OnMergeSessionSuccess(const std::string& data) {
   context_prepared_ = true;
+  ResetFetchers();
   delegate_->OnContextReady();
 }
 
 void ArcAuthContext::OnMergeSessionFailure(
     const GoogleServiceAuthError& error) {
   VLOG(2) << "Failed to merge gaia session " << error.ToString() << ".";
+  ResetFetchers();
   delegate_->OnPrepareContextFailed();
 }
 
 void ArcAuthContext::OnUbertokenSuccess(const std::string& token) {
+  ResetFetchers();
   merger_fetcher_.reset(
       new GaiaAuthFetcher(this, GaiaConstants::kChromeOSSource,
                           storage_partition_->GetURLRequestContext()));
   merger_fetcher_->StartMergeSession(token, std::string());
 }
 
 void ArcAuthContext::OnUbertokenFailure(const GoogleServiceAuthError& error) {
   VLOG(2) << "Failed to get ubertoken " << error.ToString() << ".";
+  ResetFetchers();
   delegate_->OnPrepareContextFailed();
 }
 
 void ArcAuthContext::PrepareContext() {
   if (context_prepared_) {
     delegate_->OnContextReady();
     return;
   }
 
   token_service_->RemoveObserver(this);
   refresh_token_timeout_.Stop();
 
   if (!token_service_->RefreshTokenIsAvailable(account_id_)) {
     token_service_->AddObserver(this);
     refresh_token_timeout_.Start(
         FROM_HERE, base::TimeDelta::FromSeconds(kRefreshTokenTimeoutSeconds),
         this, &ArcAuthContext::OnRefreshTokenTimeout);
     return;
   }
 
   StartFetchers();
 }
 
 void ArcAuthContext::StartFetchers() {
   DCHECK(!refresh_token_timeout_.IsRunning());
-  merger_fetcher_.reset();
+  ResetFetchers();
   ubertoken_fetcher_.reset(
       new UbertokenFetcher(token_service_, this, GaiaConstants::kChromeOSSource,
                            storage_partition_->GetURLRequestContext()));
   ubertoken_fetcher_->StartFetchingToken(account_id_);
 }
 
+void ArcAuthContext::ResetFetchers() {
+  merger_fetcher_.reset();
+  ubertoken_fetcher_.reset();
+}
+
+net::URLRequestContextGetter* ArcAuthContext::GetURLRequestContext() {
+  DCHECK(context_prepared_);
+  return storage_partition_->GetURLRequestContext();
+}
+
 }  // namespace arc