mojo leveldb: Get profile and leveldb connected to DOMStorageContext.

components/profile_service/profile_app.cc

Index: components/profile_service/profile_app.cc
diff --git a/components/profile_service/profile_app.cc b/components/profile_service/profile_app.cc
index 27491db5e910d27946721e9031860a493591c71b..7ec091a94a0622de3162dd36f8905a279c897bdf 100644
--- a/components/profile_service/profile_app.cc
+++ b/components/profile_service/profile_app.cc
@@ -6,6 +6,7 @@
 
 #include "base/lazy_instance.h"
 #include "components/leveldb/leveldb_service_impl.h"
+#include "components/profile_service/leveldb_thread.h"
 #include "components/profile_service/profile_service_impl.h"
 #include "mojo/shell/public/cpp/connection.h"
 
@@ -39,7 +40,6 @@ void ProfileApp::Initialize(mojo::Connector* connector,
                             const mojo::Identity& identity,
                             uint32_t id) {
   tracing_.Initialize(connector, identity.name());
-  leveldb_service_.reset(new leveldb::LevelDBServiceImpl);
 
   auto it = g_user_id_to_data_dir.Get().find(identity.user_id());
   DCHECK(it != g_user_id_to_data_dir.Get().end());
@@ -57,13 +57,21 @@ void ProfileApp::Create(mojo::Connection* connection,
   // No, we need one of these per connection.
   new ProfileServiceImpl(connection,
                          std::move(request),
+                         ref_factory_.CreateRef(),
                          profile_data_dir_,
                          lock_table_.get());
 }
 
 void ProfileApp::Create(mojo::Connection* connection,
                         leveldb::LevelDBServiceRequest request) {
-  leveldb_bindings_.AddBinding(leveldb_service_.get(), std::move(request));
+  if (!leveldb_thread_) {

[michaeln, 2016/03/16 03:11:13]

If the leveldb_thread_ self terminates, how is a new one established?

I'm not sure we want/need a self terminating ldbthread. It can terminate when
this app deletes deletes it.

+    leveldb_thread_ = new LevelDBThread(
+        ref_factory_.CreateRef(),
+        std::move(request));
+  } else {
+    // We need to pass this binding to the leveldb thread.
+    leveldb_thread_->BindNewRequest(std::move(request));
+  }
 }
 
 }  // namespace profile