mojo leveldb: Get profile and leveldb connected to DOMStorageContext.

components/filesystem/file_impl.h

Index: components/filesystem/file_impl.h
diff --git a/components/filesystem/file_impl.h b/components/filesystem/file_impl.h
index 9314776cb8ada15f63e9b198f376e3e06cd7dc5d..bdae38e0d7eef3f02e5eddbaa40337468ca70c11 100644
--- a/components/filesystem/file_impl.h
+++ b/components/filesystem/file_impl.h
@@ -27,11 +27,11 @@ class FileImpl : public File {
   FileImpl(mojo::InterfaceRequest<File> request,
            const base::FilePath& path,
            uint32_t flags,
-           LockTable* lock_table);
+           scoped_refptr<LockTable> lock_table);
   FileImpl(mojo::InterfaceRequest<File> request,
            const base::FilePath& path,
            base::File file,
-           LockTable* lock_table);
+           scoped_refptr<LockTable> lock_table);
   ~FileImpl() override;
 
   // Returns whether the underlying file handle is valid.
@@ -74,7 +74,7 @@ class FileImpl : public File {
   mojo::StrongBinding<File> binding_;
   base::File file_;
   base::FilePath path_;
-  LockTable* lock_table_;
+  scoped_refptr<LockTable> lock_table_;
 
   DISALLOW_COPY_AND_ASSIGN(FileImpl);
 };