Page::chrome() should return a reference.

Source/core/page/BarProp.cpp

Index: Source/core/page/BarProp.cpp
diff --git a/Source/core/page/BarProp.cpp b/Source/core/page/BarProp.cpp
index aeb9e6f24252cb5c7aec3f4cfc5a02e088a04a40..169d65a846a0c87ae47be668e952e6a7a3dbf043 100644
--- a/Source/core/page/BarProp.cpp
+++ b/Source/core/page/BarProp.cpp
@@ -59,13 +59,13 @@ bool BarProp::visible() const
     case Locationbar:
     case Personalbar:
     case Toolbar:
-        return page->chrome()->toolbarsVisible();
+        return page->chrome().toolbarsVisible();
     case Menubar:
-        return page->chrome()->menubarVisible();
+        return page->chrome().menubarVisible();
     case Scrollbars:
-        return page->chrome()->scrollbarsVisible();
+        return page->chrome().scrollbarsVisible();
     case Statusbar:
-        return page->chrome()->statusbarVisible();
+        return page->chrome().statusbarVisible();
     }
 
     ASSERT_NOT_REACHED();