mojo leveldb: Get profile and leveldb connected to DOMStorageContext.

content/browser/level_db_wrapper_impl.h

Index: content/browser/level_db_wrapper_impl.h
diff --git a/content/browser/level_db_wrapper_impl.h b/content/browser/level_db_wrapper_impl.h
index 06ed3485f612589a34c8651497967ab37daf4452..eb0d537babd49b7e6d3af98dedc98111aa0a9e8b 100644
--- a/content/browser/level_db_wrapper_impl.h
+++ b/content/browser/level_db_wrapper_impl.h
@@ -24,7 +24,8 @@ class LevelDBWrapperImpl : public LevelDBWrapper {
  public:
   // |no_bindings_callback| will be called when this object has no more
   // bindings.
-  LevelDBWrapperImpl(const std::string& prefix,
+  LevelDBWrapperImpl(leveldb::LevelDBDatabase* database,
+                     const std::string& prefix,
                      const base::Closure& no_bindings_callback);
   ~LevelDBWrapperImpl() override;
 
@@ -50,6 +51,7 @@ class LevelDBWrapperImpl : public LevelDBWrapper {
   std::string prefix_;
   mojo::BindingSet<LevelDBWrapper> bindings_;
   base::Closure no_bindings_callback_;
+  leveldb::LevelDBDatabase* database_;
 
   DISALLOW_COPY_AND_ASSIGN(LevelDBWrapperImpl);
 };