mojo leveldb: Get profile and leveldb connected to DOMStorageContext.

components/filesystem/file_impl.cc

 // 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.
 
 #include "components/filesystem/file_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <limits>
 #include <utility>
@@ skipping 16 matching lines @@
 namespace filesystem {
 namespace {
 
 const size_t kMaxReadSize = 1 * 1024 * 1024;  // 1 MB.
 
 }  // namespace
 
 FileImpl::FileImpl(mojo::InterfaceRequest<File> request,
                    const base::FilePath& path,
                    uint32_t flags,
-                   LockTable* lock_table)
+                   const scoped_refptr<LockTable>& lock_table)
     : binding_(this, std::move(request)),
       file_(path, flags),
       path_(path),
       lock_table_(lock_table) {
   DCHECK(file_.IsValid());
 }
 
 FileImpl::FileImpl(mojo::InterfaceRequest<File> request,
                    const base::FilePath& path,
                    base::File file,
-                   LockTable* lock_table)
+                   const scoped_refptr<LockTable>& lock_table)
     : binding_(this, std::move(request)),
       file_(std::move(file)),
       path_(path),
       lock_table_(lock_table) {
   DCHECK(file_.IsValid());
 }
 
 FileImpl::~FileImpl() {
   if (file_.IsValid())
     lock_table_->RemoveFromLockTable(path_);
@@ skipping 293 matching lines @@
       new_file.TakePlatformFile(), &mojo_handle);
   if (create_result != MOJO_RESULT_OK) {
     callback.Run(FileError::FAILED, ScopedHandle());
     return;
   }
 
   callback.Run(FileError::OK, ScopedHandle(mojo::Handle(mojo_handle)));
 }
 
 }  // namespace filesystem