Reland of [ServiceWorkerCache] Implement storage::QuotaClient

content/browser/service_worker/service_worker_cache_storage.h

Index: content/browser/service_worker/service_worker_cache_storage.h
diff --git a/content/browser/service_worker/service_worker_cache_storage.h b/content/browser/service_worker/service_worker_cache_storage.h
index 744b9c046e5db68420f3e0bbe5018403ea6e027f..defe429fecbf56a1dcb92151d88875d94039b43e 100644
--- a/content/browser/service_worker/service_worker_cache_storage.h
+++ b/content/browser/service_worker/service_worker_cache_storage.h
@@ -49,13 +49,18 @@ class CONTENT_EXPORT ServiceWorkerCacheStorage {
   typedef base::Callback<void(const StringVector&, CacheStorageError)>
       StringsAndErrorCallback;
 
+  static const char kIndexFileName[];
+
   ServiceWorkerCacheStorage(
       const base::FilePath& origin_path,
       bool memory_only,
       base::SequencedTaskRunner* cache_task_runner,
       net::URLRequestContext* request_context,
-      base::WeakPtr<storage::BlobStorageContext> blob_context);
+      base::WeakPtr<storage::BlobStorageContext> blob_context,
+      const GURL& origin);
 
+  // Any unfinished asynchronous operations may not complete or call their
+  // callbacks.
   virtual ~ServiceWorkerCacheStorage();
 
   // Get the cache for the given key. If the cache is not found it is
@@ -77,6 +82,8 @@ class CONTENT_EXPORT ServiceWorkerCacheStorage {
 
   // TODO(jkarlin): Add match() function.
 
+  void CloseAllCaches();
+
  private:
   class MemoryLoader;
   class SimpleCacheLoader;