[BlobAsync] Asynchronous Blob Construction Final Patch

storage/browser/blob/blob_storage_registry.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 STORAGE_BROWSER_BLOB_BLOB_STORAGE_REGISTRY_H_
 #define STORAGE_BROWSER_BLOB_BLOB_STORAGE_REGISTRY_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 57 matching lines @@
   // the blob is already in use, we return null.
   Entry* CreateEntry(const std::string& uuid);
 
   // Removes the blob entry with the given uuid. This does not unmap any
   // URLs that are pointing to this uuid. Returns if the entry existed.
   bool DeleteEntry(const std::string& uuid);
 
   // Gets the blob entry for the given uuid. Returns nullptr if the entry
   // does not exist.
   Entry* GetEntry(const std::string& uuid);
+  const Entry* GetEntry(const std::string& uuid) const;
 
   // Creates a url mapping from blob uuid to the given url. Returns false if
   // the uuid isn't mapped to an entry or if there already is a map for the URL.
   bool CreateUrlMapping(const GURL& url, const std::string& uuid);
 
   // Removes the given URL mapping. Optionally populates a uuid string of the
   // removed entry uuid. Returns false if the url isn't mapped.
   bool DeleteURLMapping(const GURL& url, std::string* uuid);
 
   // Returns if the url is mapped to a blob uuid.
   bool IsURLMapped(const GURL& blob_url) const;
 
   // Returns the entry from the given url, and optionally populates the uuid for
   // that entry. Returns a nullptr if the mapping or entry doesn't exist.
   Entry* GetEntryFromURL(const GURL& url, std::string* uuid);
 
   size_t blob_count() const { return blob_map_.size(); }
   size_t url_count() const { return url_to_uuid_.size(); }
 
  private:
+  friend class ViewBlobInternalsJob;
   using BlobMap = base::ScopedPtrHashMap<std::string, scoped_ptr<Entry>>;
   using URLMap = std::map<GURL, std::string>;
 
   BlobMap blob_map_;
   URLMap url_to_uuid_;
 
   DISALLOW_COPY_AND_ASSIGN(BlobStorageRegistry);
 };
 
 }  // namespace storage
 #endif  // STORAGE_BROWSER_BLOB_BLOB_STORAGE_REGISTRY_H_