[CacheStorage] Check quota before put operations

content/browser/quota/mock_quota_manager_proxy.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 CONTENT_BROWSER_QUOTA_MOCK_QUOTA_MANAGER_PROXY_H_
 #define CONTENT_BROWSER_QUOTA_MOCK_QUOTA_MANAGER_PROXY_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
@@ skipping 23 matching lines @@
   void NotifyOriginInUse(const GURL& origin) override {}
   void NotifyOriginNoLongerInUse(const GURL& origin) override {}
   void SetUsageCacheEnabled(QuotaClient::ID client_id,
                             const GURL& origin,
                             StorageType type,
                             bool enabled) override {}
   void GetUsageAndQuota(
       base::SequencedTaskRunner* original_task_runner,
       const GURL& origin,
       StorageType type,
-      const QuotaManager::GetUsageAndQuotaCallback& callback) override {}
+      const QuotaManager::GetUsageAndQuotaCallback& callback) override;
 
   // Validates the |client_id| and updates the internal access count
   // which can be accessed via notify_storage_accessed_count().
   // The also records the |origin| and |type| in last_notified_origin_ and
   // last_notified_type_.
   void NotifyStorageAccessed(QuotaClient::ID client_id,
                              const GURL& origin,
                              StorageType type) override;
 
   // Records the |origin|, |type| and |delta| as last_notified_origin_,
@@ skipping 26 matching lines @@
   int64_t last_notified_delta_;
 
   QuotaClient* registered_client_;
 
   DISALLOW_COPY_AND_ASSIGN(MockQuotaManagerProxy);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_QUOTA_MOCK_QUOTA_MANAGER_PROXY_H_