Don't hardcode the "Local Storage" directory name in DomStorageContext.

webkit/dom_storage/dom_storage_context.h

Index: webkit/dom_storage/dom_storage_context.h
diff --git a/webkit/dom_storage/dom_storage_context.h b/webkit/dom_storage/dom_storage_context.h
index 1370913d748fdc1d5f281d6c1051cfb4134c3f91..628d8fbe89b8a600b1678a091b4b85f784603e0f 100644
--- a/webkit/dom_storage/dom_storage_context.h
+++ b/webkit/dom_storage/dom_storage_context.h
@@ -95,6 +95,10 @@ class DomStorageContext
   DomStorageTaskRunner* task_runner() const { return task_runner_; }
   DomStorageNamespace* GetStorageNamespace(int64 namespace_id);
 
+  // Returns the directory path for localStorage, or an empty directory, if
+  // there is no backing on disk.
+  FilePath GetLocalStorageDirectory();
+
   void GetUsageInfo(std::vector<UsageInfo>* infos, bool include_file_info);
   void DeleteOrigin(const GURL& origin);
   void DeleteDataModifiedSince(const base::Time& cutoff);
@@ -160,7 +164,7 @@ class DomStorageContext
   // Collection of namespaces keyed by id.
   StorageNamespaceMap namespaces_;
 
-  // Where localstorage data is stored, maybe empty for the incognito use case.
+  // Where data is stored, maybe empty for the incognito use case.
   FilePath directory_;
 
   // Used to schedule sequenced background tasks.