1 files changed, 3 insertions, 3 deletions
diff --git a/Source/WebKit2/UIProcess/WebPageGroup.h b/Source/WebKit2/UIProcess/WebPageGroup.h
index 7859dfc..ccc14bd 100644
--- a/Source/WebKit2/UIProcess/WebPageGroup.h
+++ b/Source/WebKit2/UIProcess/WebPageGroup.h
@@ -40,7 +40,7 @@ class WebPageGroup : public APIObject {
 public:
     static const Type APIType = TypePageGroup;
 
-    static PassRefPtr<WebPageGroup> create(const String& identifier = String(), bool visibleToInjectedBundle = true);
+    static PassRefPtr<WebPageGroup> create(const String& identifier = String(), bool visibleToInjectedBundle = true, bool visibleToHistoryClient = true);
     static WebPageGroup* get(uint64_t pageGroupID);
 
     virtual ~WebPageGroup();
@@ -58,12 +58,12 @@ public:
     void preferencesDidChange();
 
 private:
-    WebPageGroup(const String& identifier, bool visibleToInjectedBundle);
+    WebPageGroup(const String& identifier, bool visibleToInjectedBundle, bool visibleToHistoryClient);
 
     virtual Type type() const { return APIType; }
 
     WebPageGroupData m_data;
-    RefPtr<WebPreferences> m_preferences;
+    mutable RefPtr<WebPreferences> m_preferences;
     HashSet<WebPageProxy*> m_pages;
 };