[ServiceWorkerCache] Implement storage::QuotaClient

content/browser/service_worker/service_worker_cache_storage_manager.h

Index: content/browser/service_worker/service_worker_cache_storage_manager.h
diff --git a/content/browser/service_worker/service_worker_cache_storage_manager.h b/content/browser/service_worker/service_worker_cache_storage_manager.h
index 385450d3554df6e5f12f602b51f3de3eb3ab5c76..0037f8031dc61ad2c6541a0fec6eaa4b3dc7aa2a 100644
--- a/content/browser/service_worker/service_worker_cache_storage_manager.h
+++ b/content/browser/service_worker/service_worker_cache_storage_manager.h
@@ -12,6 +12,7 @@
 #include "base/files/file_path.h"
 #include "content/browser/service_worker/service_worker_cache_storage.h"
 #include "content/common/content_export.h"
+#include "storage/browser/quota/quota_client.h"
 #include "url/gurl.h"
 
 namespace base {
@@ -24,10 +25,13 @@ class URLRequestContext;
 
 namespace storage {
 class BlobStorageContext;
+class QuotaManagerProxy;
 }
 
 namespace content {
 
+class ServiceWorkerCacheQuotaClient;
+
 // Keeps track of a ServiceWorkerCacheStorage per origin. There is one
 // ServiceWorkerCacheStorageManager per ServiceWorkerContextCore.
 // TODO(jkarlin): Remove ServiceWorkerCacheStorage from memory once they're no
@@ -36,7 +40,8 @@ class CONTENT_EXPORT ServiceWorkerCacheStorageManager {
  public:
   static scoped_ptr<ServiceWorkerCacheStorageManager> Create(
       const base::FilePath& path,
-      const scoped_refptr<base::SequencedTaskRunner>& cache_task_runner);
+      const scoped_refptr<base::SequencedTaskRunner>& cache_task_runner,
+      storage::QuotaManagerProxy* quota_manager_proxy);
 
   static scoped_ptr<ServiceWorkerCacheStorageManager> Create(
       ServiceWorkerCacheStorageManager* old_manager);
@@ -76,19 +81,36 @@ class CONTENT_EXPORT ServiceWorkerCacheStorageManager {
       net::URLRequestContext* request_context,
       base::WeakPtr<storage::BlobStorageContext> blob_storage_context);
 
+  base::WeakPtr<ServiceWorkerCacheStorageManager> AsWeakPtr() {
+    return weak_ptr_factory_.GetWeakPtr();
+  }
+
  private:
+  friend class ServiceWorkerCacheQuotaClient;
+
   typedef std::map<GURL, ServiceWorkerCacheStorage*>
       ServiceWorkerCacheStorageMap;
 
   ServiceWorkerCacheStorageManager(
       const base::FilePath& path,
-      const scoped_refptr<base::SequencedTaskRunner>& cache_task_runner);
+      const scoped_refptr<base::SequencedTaskRunner>& cache_task_runner,
+      storage::QuotaManagerProxy* quota_manager_proxy);
 
   // The returned ServiceWorkerCacheStorage* is owned by
   // service_worker_cache_storages_.
   ServiceWorkerCacheStorage* FindOrCreateServiceWorkerCacheManager(
       const GURL& origin);
 
+  // QuotaClient support
+  void GetOriginUsage(const GURL& origin_url,
+                      const storage::QuotaClient::GetUsageCallback& callback);
+  void GetOrigins(const storage::QuotaClient::GetOriginsCallback& callback);
+  void GetOriginsForHost(
+      const std::string& host,
+      const storage::QuotaClient::GetOriginsCallback& callback);
+  void DeleteOriginData(const GURL& origin,
+                        const storage::QuotaClient::DeletionCallback& callback);
+
   net::URLRequestContext* url_request_context() const {
     return request_context_;
   }
@@ -100,9 +122,13 @@ class CONTENT_EXPORT ServiceWorkerCacheStorageManager {
     return cache_task_runner_;
   }
 
+  bool IsMemoryBacked() const { return root_path_.empty(); }
+
   base::FilePath root_path_;
   scoped_refptr<base::SequencedTaskRunner> cache_task_runner_;
 
+  scoped_refptr<storage::QuotaManagerProxy> quota_manager_proxy_;
+
   // The map owns the CacheStorages and the CacheStorages are only accessed on
   // |cache_task_runner_|.
   ServiceWorkerCacheStorageMap cache_storage_map_;
@@ -110,6 +136,7 @@ class CONTENT_EXPORT ServiceWorkerCacheStorageManager {
   net::URLRequestContext* request_context_;
   base::WeakPtr<storage::BlobStorageContext> blob_context_;
 
+  base::WeakPtrFactory<ServiceWorkerCacheStorageManager> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerCacheStorageManager);
 };