mojo leveldb: Get profile and leveldb connected to DOMStorageContext.

components/leveldb/leveldb_app.h

Index: components/leveldb/leveldb_app.h
diff --git a/components/leveldb/leveldb_app.h b/components/leveldb/leveldb_app.h
index d9877d95b3957e80303bec62efe98f226686c5b4..e830048f8dfb50f7fb022eee399b695578e4a931 100644
--- a/components/leveldb/leveldb_app.h
+++ b/components/leveldb/leveldb_app.h
@@ -13,6 +13,8 @@
 
 namespace leveldb {
 
+scoped_ptr<mojo::ShellClient> CreateLevelDBApp();
+
 class LevelDBApp : public mojo::ShellClient,
                    public mojo::InterfaceFactory<LevelDBService> {
  public:
@@ -20,6 +22,10 @@ class LevelDBApp : public mojo::ShellClient,
   ~LevelDBApp() override;
 
  private:
+  // Tracks connection errors and shuts the application down when all
+  // outstanding connections to |bindings_| have gone away.
+  void OnConnectionError();
+
   // |ShellClient| override:
   void Initialize(mojo::Connector* connector,
                   const std::string& url,
@@ -27,9 +33,6 @@ class LevelDBApp : public mojo::ShellClient,
                   uint32_t user_id) override;
   bool AcceptConnection(mojo::Connection* connection) override;
 
-  // TODO(erg): What do we have to do on shell error?
-  // bool OnShellConnectionError() override;
-
   // |InterfaceFactory<LevelDBService>| implementation:
   void Create(mojo::Connection* connection,
               mojo::InterfaceRequest<LevelDBService> request) override;
@@ -38,6 +41,8 @@ class LevelDBApp : public mojo::ShellClient,
   scoped_ptr<LevelDBService> service_;
   mojo::BindingSet<LevelDBService> bindings_;
 
+  int outstanding_bindings_;
+
   DISALLOW_COPY_AND_ASSIGN(LevelDBApp);
 };