Adding session-only localStorage.

content/browser/in_process_webkit/dom_storage_message_filter.h

Index: content/browser/in_process_webkit/dom_storage_message_filter.h
diff --git a/content/browser/in_process_webkit/dom_storage_message_filter.h b/content/browser/in_process_webkit/dom_storage_message_filter.h
index 9ac90346930789272e8b90e6c1e42bc84d1bdbf0..643efd89e33951cec63b9aecb58853c25396f662 100644
--- a/content/browser/in_process_webkit/dom_storage_message_filter.h
+++ b/content/browser/in_process_webkit/dom_storage_message_filter.h
@@ -11,6 +11,7 @@
 #include "base/tracked.h"
 #include "content/browser/browser_message_filter.h"
 #include "content/browser/in_process_webkit/dom_storage_area.h"
+#include "content/browser/in_process_webkit/dom_storage_namespace.h"
 #include "content/browser/in_process_webkit/webkit_context.h"
 #include "content/common/dom_storage_common.h"
 
@@ -21,7 +22,8 @@ struct DOMStorageMsg_Event_Params;
 // This class handles the logistics of DOM Storage within the browser process.
 // It mostly ferries information between IPCs and the WebKit implementations,
 // but it also handles some special cases like when renderer processes die.
-class DOMStorageMessageFilter : public BrowserMessageFilter {
+class DOMStorageMessageFilter : public BrowserMessageFilter,
+                                public DOMStorageNamespace::Delegate {
  public:
   // Only call the constructor from the UI thread.
   DOMStorageMessageFilter(int process_id, WebKitContext* webkit_context);
@@ -34,6 +36,10 @@ class DOMStorageMessageFilter : public BrowserMessageFilter {
                                  bool* message_was_ok);
   virtual void OnDestruct() const;
 
+  // DOMStorageNamespace::Delegate implementation
+  virtual void OnGotStorageArea(DOMStorageArea* storage_area,
+                                IPC::Message* reply_msg);
+
   // Only call on the WebKit thread.
   static void DispatchStorageEvent(const NullableString16& key,
       const NullableString16& old_value, const NullableString16& new_value,
@@ -46,7 +52,7 @@ class DOMStorageMessageFilter : public BrowserMessageFilter {
 
   // Message Handlers.
   void OnStorageAreaId(int64 namespace_id, const string16& origin,
-                       int64* storage_area_id);
+                       IPC::Message* reply_msg);
   void OnLength(int64 storage_area_id, unsigned* length);
   void OnKey(int64 storage_area_id, unsigned index, NullableString16* key);
   void OnGetItem(int64 storage_area_id, const string16& key,