Introduce StrategyOnCacheMiss enum instead of |cached_only| boolean.

components/password_manager/core/browser/affiliation_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 "components/password_manager/core/browser/affiliation_service.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/files/file_path.h"
 #include "base/location.h"
@@ skipping 32 matching lines @@
                              make_scoped_ptr(new base::DefaultTickClock));
 
   scoped_ptr<base::TickClock> tick_clock(new base::DefaultTickClock);
   backend_task_runner_->PostTask(
       FROM_HERE, base::Bind(&AffiliationBackend::Initialize,
                             base::Unretained(backend_), db_path));
 }
 
 void AffiliationService::GetAffiliations(
     const FacetURI& facet_uri,
-    bool cached_only,
+    StrategyOnCacheMiss cache_miss_strategy,
     const ResultCallback& result_callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(backend_);
   backend_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&AffiliationBackend::GetAffiliations,
-                 base::Unretained(backend_), facet_uri, cached_only,
+                 base::Unretained(backend_), facet_uri, cache_miss_strategy,
                  result_callback, base::ThreadTaskRunnerHandle::Get()));
 }
 
 void AffiliationService::Prefetch(const FacetURI& facet_uri,
                                   const base::Time& keep_fresh_until) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(backend_);
   backend_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&AffiliationBackend::Prefetch, base::Unretained(backend_),
@@ skipping 12 matching lines @@
 
 void AffiliationService::TrimCache() {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(backend_);
   backend_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&AffiliationBackend::TrimCache, base::Unretained(backend_)));
 }
 
 }  // namespace password_manager