Remove base::ScopedPtrHashMap from storage/.

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 <stddef.h>
 
 #include <map>
 #include <memory>
 #include <string>
+#include <unordered_map>
 #include <vector>
 
 #include "base/callback_forward.h"
-#include "base/containers/scoped_ptr_hash_map.h"
 #include "base/macros.h"
 #include "storage/browser/storage_browser_export.h"
 #include "storage/common/blob_storage/blob_storage_constants.h"
 
 class GURL;
 
 namespace storage {
 class BlobEntry;
 
 // This class stores the blob data in the various states of construction, as
@@ skipping 36 matching lines @@
 
   // 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.
   BlobEntry* 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, std::unique_ptr<BlobEntry>>;
-  using URLMap = std::map<GURL, std::string>;
 
-  BlobMap blob_map_;
-  URLMap url_to_uuid_;
+  std::unordered_map<std::string, std::unique_ptr<BlobEntry>> blob_map_;
+  std::map<GURL, std::string> url_to_uuid_;
 
   DISALLOW_COPY_AND_ASSIGN(BlobStorageRegistry);
 };
 
 }  // namespace storage
 #endif  // STORAGE_BROWSER_BLOB_BLOB_STORAGE_REGISTRY_H_