Cache Storage API: Hook up to chrome://settings/cookies

chrome/browser/browsing_data/mock_browsing_data_cache_storage_helper.h

+// 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.
+
+#ifndef CHROME_BROWSER_BROWSING_DATA_MOCK_BROWSING_DATA_CACHE_STORAGE_HELPER_H_
+#define CHROME_BROWSER_BROWSING_DATA_MOCK_BROWSING_DATA_CACHE_STORAGE_HELPER_H_
+
+#include <list>
+#include <map>
+
+#include "base/callback.h"
+#include "base/compiler_specific.h"
+#include "chrome/browser/browsing_data/browsing_data_cache_storage_helper.h"
+
+class Profile;
+
+// Mock for BrowsingDataCacheStorageHelper.
+// Use AddCacheStorageSamples() or add directly to response_ list, then
+// call Notify().
+class MockBrowsingDataCacheStorageHelper

[michaeln, 2015/08/18 22:25:52]

+1 when in rome but... (insert munch scream image)... why both 'canned' and
'mock' test oriented derivatives???

[Bernhard Bauer, 2015/08/20 11:18:53]

FWIW, canned isn't actually for testing -- it's for showing data set by the
current page ("Show cookies and site data" from the Page Info bubble).

+    : public BrowsingDataCacheStorageHelper {
+ public:
+  explicit MockBrowsingDataCacheStorageHelper(Profile* profile);
+
+  // Adds some CacheStorageUsageInfo samples.
+  void AddCacheStorageSamples();
+
+  // Notifies the callback.
+  void Notify();
+
+  // Marks all cache storage files as existing.
+  void Reset();
+
+  // Returns true if all cache storage files were deleted since the last
+  // Reset() invokation.
+  bool AllDeleted();
+
+  // BrowsingDataCacheStorageHelper.
+  void StartFetching(const base::Callback<
+                     void(const std::list<content::CacheStorageUsageInfo>&)>&
+                         callback) override;
+  void DeleteCacheStorage(const GURL& origin) override;
+
+ private:
+  ~MockBrowsingDataCacheStorageHelper() override;
+
+  base::Callback<void(const std::list<content::CacheStorageUsageInfo>&)>
+      callback_;
+  std::map<GURL, bool> origins_;
+  std::list<content::CacheStorageUsageInfo> response_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockBrowsingDataCacheStorageHelper);
+};
+
+#endif  // CHROME_BROWSER_BROWSING_DATA_MOCK_BROWSING_DATA_CACHE_STORAGE_HELPER_H_