Some fleshing out the mojo based localstorage implementation.

content/browser/dom_storage/dom_storage_context_wrapper.cc

Index: content/browser/dom_storage/dom_storage_context_wrapper.cc
diff --git a/content/browser/dom_storage/dom_storage_context_wrapper.cc b/content/browser/dom_storage/dom_storage_context_wrapper.cc
index 0490d2e0b1342d9b4dea18a86e2ad7765e9fc784..c37e2b2cea8e7b4729a2cb44c901f8496137c38a 100644
--- a/content/browser/dom_storage/dom_storage_context_wrapper.cc
+++ b/content/browser/dom_storage/dom_storage_context_wrapper.cc
@@ -87,7 +87,7 @@ class DOMStorageContextWrapper::MojoState {
                         mojom::LevelDBWrapperRequest request);
 
  private:
-  void LevelDBWrapperImplHasNoBindings(const url::Origin& origin) {
+  void OnLevelDDWrapperHasNoBindings(const url::Origin& origin) {
     DCHECK(level_db_wrappers_.find(origin) != level_db_wrappers_.end());
     level_db_wrappers_.erase(origin);
   }
@@ -213,7 +213,8 @@ void DOMStorageContextWrapper::MojoState::BindLocalStorage(
     level_db_wrappers_[origin] = make_scoped_ptr(new LevelDBWrapperImpl(
         database_.get(),
         origin.Serialize(),
-        base::Bind(&MojoState::LevelDBWrapperImplHasNoBindings,
+        kPerStorageAreaQuota + kPerStorageAreaOverQuotaAllowance,
+        base::Bind(&MojoState::OnLevelDDWrapperHasNoBindings,
                    base::Unretained(this),
                    origin)));
   }