Introducing the WebServiceWorkerCacheStorage.

public/platform/WebServiceWorkerCacheStorage.h

+// Copyright 2014 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.
+
+#ifndef WebServiceWorkerCacheStorage_h
+#define WebServiceWorkerCacheStorage_h
+
+#include "WebCommon.h"
+#include "public/platform/WebCallbacks.h"
+#include "public/platform/WebString.h"
+#include "public/platform/WebVector.h"
+#include <string>
+#include <vector>

[falken, 2014/07/23 04:56:10]

Seems <string> and <vector> aren't used?

[gavinp, 2014/07/25 07:44:02]

Done.

+
+namespace WebCore { class ServiceWorker; }
+
+namespace blink {
+
+// An interface to the CacheStorage API, implemented by the embedder and passed in to blink.
+class WebServiceWorkerCacheStorage {
+public:
+    enum ErrorReason {
+        CacheStorageErrorNotImplemented,
+        CacheStorageErrorNotFound,
+        CacheStorageErrorExists,

[falken, 2014/07/23 04:56:10]

nit: enum values should be prefixed with the name of the enum:
http://www.chromium.org/blink/public-c-api

[gavinp, 2014/07/25 07:44:02]

Done.

+    };
+
+    typedef WebCallbacks<void, ErrorReason> CacheStorageCallbacks;
+    typedef WebCallbacks<int /* cacheID */, ErrorReason> CacheStorageCreateCallbacks;
+    typedef WebCallbacks<WebVector<WebString>, ErrorReason> CacheStorageKeysCallbacks;
+
+    WebServiceWorkerCacheStorage() { }
+    virtual ~WebServiceWorkerCacheStorage() { }
+
+    // Ownership of the CacheStorage*Callbacks methods passes to the WebServiceWorkerCacheStorage
+    // instance, which will delete it after calling onSuccess or onFailure.
+    virtual void dispatchCreate(CacheStorageCreateCallbacks*, const WebString& key) = 0;
+    virtual void dispatchRename(CacheStorageCallbacks*, const WebString& oldKey, const WebString& newKey) = 0;
+    virtual void dispatchGet(CacheStorageCallbacks*, const WebString& key) = 0;
+    virtual void dispatchDelete(CacheStorageCallbacks*, const WebString& key) = 0;
+    virtual void dispatchKeys(CacheStorageKeysCallbacks*) = 0;
+};
+
+} // namespace blink
+
+#endif // WebServiceWorkerCacheStorage_h