mojo leveldb: Get profile and leveldb connected to DOMStorageContext.

content/browser/leveldb_wrapper_impl.h

Index: content/browser/leveldb_wrapper_impl.h
diff --git a/content/browser/leveldb_wrapper_impl.h b/content/browser/leveldb_wrapper_impl.h
index 445fcaae189c2a1e6d238810eb5198770bfe74f2..148c3f59f5c7da4f32e365f3511cb336e8ce8ba5 100644
--- a/content/browser/leveldb_wrapper_impl.h
+++ b/content/browser/leveldb_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;
 
@@ -51,6 +52,7 @@ class LevelDBWrapperImpl : public LevelDBWrapper {
   std::string prefix_;
   mojo::BindingSet<LevelDBWrapper> bindings_;
   base::Closure no_bindings_callback_;
+  leveldb::LevelDBDatabase* database_;
 
   DISALLOW_COPY_AND_ASSIGN(LevelDBWrapperImpl);
 };