mojo leveldb: Get profile and leveldb connected to DOMStorageContext.

content/browser/level_db_wrapper_impl.cc

 // Copyright 2016 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/level_db_wrapper_impl.h"
 
 #include "base/bind.h"
 
 namespace content {
 
 LevelDBWrapperImpl::LevelDBWrapperImpl(
-    const std::string& prefix, const base::Closure& no_bindings_callback)
-    : prefix_(prefix), no_bindings_callback_(no_bindings_callback) {
+    leveldb::LevelDBDatabase* database,
+    const std::string& prefix,
+    const base::Closure& no_bindings_callback)
+    : prefix_(prefix),
+      no_bindings_callback_(no_bindings_callback),
+      database_(database) {
   bindings_.set_connection_error_handler(base::Bind(
       &LevelDBWrapperImpl::OnConnectionError, base::Unretained(this)));
 }
 
 void LevelDBWrapperImpl::Bind(mojo::InterfaceRequest<LevelDBWrapper> request,
                               LevelDBObserverPtr observer) {
   // TODO(jam): store observer and call it when changes occur.
   bindings_.AddBinding(this, std::move(request));
 }
 
 LevelDBWrapperImpl::~LevelDBWrapperImpl() {
   no_bindings_callback_.Run();

[michaeln, 2016/02/26 21:59:25]

this call doesn't look right, looks like the callback can get called twice (and
get called during cntxwppr destrcution), maybe that's why you hit the dcheck?

[Elliot Glaysher, 2016/03/02 23:06:20]

Could you elaborate on this?

 }
 
 void LevelDBWrapperImpl::Put(mojo::Array<uint8_t> key,
                              mojo::Array<uint8_t> value,
                              const mojo::String& source,
                              const PutCallback& callback) {
 }
 
 void LevelDBWrapperImpl::Delete(mojo::Array<uint8_t> key,
                                 const mojo::String& source,
@@ skipping 12 matching lines @@
 }
 
 void LevelDBWrapperImpl::OnConnectionError() {
   if (!bindings_.empty())
     return;
 
   no_bindings_callback_.Run();
 }
 
 }  // namespace content