Remove unused fields from //content.

content/browser/dom_storage/dom_storage_context_wrapper.cc

 // Copyright 2013 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.
 
 #include "content/browser/dom_storage/dom_storage_context_wrapper.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 199 matching lines @@
   on_database_opened_callbacks_.clear();
 }
 
 void DOMStorageContextWrapper::MojoState::BindLocalStorage(
     const url::Origin& origin,
     mojom::LevelDBObserverPtr observer,
     mojom::LevelDBWrapperRequest request) {
   auto found = level_db_wrappers_.find(origin);
   if (found == level_db_wrappers_.end()) {
     level_db_wrappers_[origin] = base::WrapUnique(new LevelDBWrapperImpl(
-        database_.get(), origin.Serialize(),
+        origin.Serialize(),
         kPerStorageAreaQuota + kPerStorageAreaOverQuotaAllowance,
         base::Bind(&MojoState::OnLevelDDWrapperHasNoBindings,
                    base::Unretained(this), origin)));
     found = level_db_wrappers_.find(origin);
   }
 
   found->second->Bind(std::move(request));
   found->second->AddObserver(std::move(observer));
 }
 
@@ skipping 112 matching lines @@
 
 void DOMStorageContextWrapper::OpenLocalStorage(
     const url::Origin& origin,
     mojom::LevelDBObserverPtr observer,
     mojom::LevelDBWrapperRequest request) {
   mojo_state_->OpenLocalStorage(
       origin, std::move(observer), std::move(request));
 }
 
 }  // namespace content