Introduce StrategyOnCacheMiss enum instead of |cached_only| boolean.

components/password_manager/core/browser/affiliation_backend.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 "components/password_manager/core/browser/affiliation_backend.h"
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 35 matching lines @@
 
   cache_.reset(new AffiliationDatabase());
   if (!cache_->Init(db_path)) {
     // TODO(engedy): Implement this. crbug.com/437865.
     NOTIMPLEMENTED();
   }
 }
 
 void AffiliationBackend::GetAffiliations(
     const FacetURI& facet_uri,
-    bool cached_only,
+    StrategyOnCacheMiss cache_miss_strategy,
     const AffiliationService::ResultCallback& callback,
     const scoped_refptr<base::TaskRunner>& callback_task_runner) {
   DCHECK(thread_checker_ && thread_checker_->CalledOnValidThread());
 
   FacetManager* facet_manager = GetOrCreateFacetManager(facet_uri);
   DCHECK(facet_manager);
-  facet_manager->GetAffiliations(cached_only, callback, callback_task_runner);
+  facet_manager->GetAffiliations(cache_miss_strategy, callback,
+                                 callback_task_runner);
 
   if (facet_manager->CanBeDiscarded())
     facet_managers_.erase(facet_uri);
 }
 
 void AffiliationBackend::Prefetch(const FacetURI& facet_uri,
                                   const base::Time& keep_fresh_until) {
   DCHECK(thread_checker_ && thread_checker_->CalledOnValidThread());
 
   FacetManager* facet_manager = GetOrCreateFacetManager(facet_uri);
@@ skipping 147 matching lines @@
   fetcher_->StartRequest();
   return true;
 }
 
 void AffiliationBackend::SetThrottlerForTesting(
     scoped_ptr<AffiliationFetchThrottler> throttler) {
   throttler_ = throttler.Pass();
 }
 
 }  // namespace password_manager